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-rw-r--r--Documentation/cgroup-v1/memcg_test.txt4
-rw-r--r--Documentation/cgroup-v1/memory.txt4
-rw-r--r--include/linux/mm_types.h2
-rw-r--r--include/linux/mmzone.h10
-rw-r--r--mm/compaction.c10
-rw-r--r--mm/filemap.c4
-rw-r--r--mm/huge_memory.c6
-rw-r--r--mm/memcontrol.c6
-rw-r--r--mm/mlock.c10
-rw-r--r--mm/page_alloc.c4
-rw-r--r--mm/page_idle.c4
-rw-r--r--mm/rmap.c2
-rw-r--r--mm/swap.c30
-rw-r--r--mm/vmscan.c48
14 files changed, 75 insertions, 69 deletions
diff --git a/Documentation/cgroup-v1/memcg_test.txt b/Documentation/cgroup-v1/memcg_test.txt
index 8870b0212150..78a8c2963b38 100644
--- a/Documentation/cgroup-v1/memcg_test.txt
+++ b/Documentation/cgroup-v1/memcg_test.txt
@@ -107,9 +107,9 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y.
8. LRU
Each memcg has its own private LRU. Now, its handling is under global
- VM's control (means that it's handled under global zone->lru_lock).
+ VM's control (means that it's handled under global zone_lru_lock).
Almost all routines around memcg's LRU is called by global LRU's
- list management functions under zone->lru_lock().
+ list management functions under zone_lru_lock().
A special function is mem_cgroup_isolate_pages(). This scans
memcg's private LRU and call __isolate_lru_page() to extract a page
diff --git a/Documentation/cgroup-v1/memory.txt b/Documentation/cgroup-v1/memory.txt
index b14abf217239..946e69103cdd 100644
--- a/Documentation/cgroup-v1/memory.txt
+++ b/Documentation/cgroup-v1/memory.txt
@@ -267,11 +267,11 @@ When oom event notifier is registered, event will be delivered.
Other lock order is following:
PG_locked.
mm->page_table_lock
- zone->lru_lock
+ zone_lru_lock
lock_page_cgroup.
In many cases, just lock_page_cgroup() is called.
per-zone-per-cgroup LRU (cgroup's private LRU) is just guarded by
- zone->lru_lock, it has no lock of its own.
+ zone_lru_lock, it has no lock of its own.
2.7 Kernel Memory Extension (CONFIG_MEMCG_KMEM)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 79472b22d23f..903200f4ec41 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -118,7 +118,7 @@ struct page {
*/
union {
struct list_head lru; /* Pageout list, eg. active_list
- * protected by zone->lru_lock !
+ * protected by zone_lru_lock !
* Can be used as a generic list
* by the page owner.
*/
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 078ecb81e209..cfa870107abe 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -93,7 +93,7 @@ struct free_area {
struct pglist_data;
/*
- * zone->lock and zone->lru_lock are two of the hottest locks in the kernel.
+ * zone->lock and the zone lru_lock are two of the hottest locks in the kernel.
* So add a wild amount of padding here to ensure that they fall into separate
* cachelines. There are very few zone structures in the machine, so space
* consumption is not a concern here.
@@ -496,7 +496,6 @@ struct zone {
/* Write-intensive fields used by page reclaim */
/* Fields commonly accessed by the page reclaim scanner */
- spinlock_t lru_lock;
struct lruvec lruvec;
/*
@@ -690,6 +689,9 @@ typedef struct pglist_data {
/* Number of pages migrated during the rate limiting time interval */
unsigned long numabalancing_migrate_nr_pages;
#endif
+ /* Write-intensive fields used by page reclaim */
+ ZONE_PADDING(_pad1_)
+ spinlock_t lru_lock;
#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
/*
@@ -721,6 +723,10 @@ typedef struct pglist_data {
#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
#define node_end_pfn(nid) pgdat_end_pfn(NODE_DATA(nid))
+static inline spinlock_t *zone_lru_lock(struct zone *zone)
+{
+ return &zone->zone_pgdat->lru_lock;
+}
static inline unsigned long pgdat_end_pfn(pg_data_t *pgdat)
{
diff --git a/mm/compaction.c b/mm/compaction.c
index 45eaa2a56517..5c65fad3f330 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -752,7 +752,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
* if contended.
*/
if (!(low_pfn % SWAP_CLUSTER_MAX)
- && compact_unlock_should_abort(&zone->lru_lock, flags,
+ && compact_unlock_should_abort(zone_lru_lock(zone), flags,
&locked, cc))
break;
@@ -813,7 +813,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
if (unlikely(__PageMovable(page)) &&
!PageIsolated(page)) {
if (locked) {
- spin_unlock_irqrestore(&zone->lru_lock,
+ spin_unlock_irqrestore(zone_lru_lock(zone),
flags);
locked = false;
}
@@ -836,7 +836,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
/* If we already hold the lock, we can skip some rechecking */
if (!locked) {
- locked = compact_trylock_irqsave(&zone->lru_lock,
+ locked = compact_trylock_irqsave(zone_lru_lock(zone),
&flags, cc);
if (!locked)
break;
@@ -899,7 +899,7 @@ isolate_fail:
*/
if (nr_isolated) {
if (locked) {
- spin_unlock_irqrestore(&zone->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(zone), flags);
locked = false;
}
acct_isolated(zone, cc);
@@ -927,7 +927,7 @@ isolate_fail:
low_pfn = end_pfn;
if (locked)
- spin_unlock_irqrestore(&zone->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(zone), flags);
/*
* Update the pageblock-skip information and cached scanner pfn,
diff --git a/mm/filemap.c b/mm/filemap.c
index e90c1543ec2d..7ec50bd6f88c 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -95,8 +95,8 @@
* ->swap_lock (try_to_unmap_one)
* ->private_lock (try_to_unmap_one)
* ->tree_lock (try_to_unmap_one)
- * ->zone.lru_lock (follow_page->mark_page_accessed)
- * ->zone.lru_lock (check_pte_range->isolate_lru_page)
+ * ->zone_lru_lock(zone) (follow_page->mark_page_accessed)
+ * ->zone_lru_lock(zone) (check_pte_range->isolate_lru_page)
* ->private_lock (page_remove_rmap->set_page_dirty)
* ->tree_lock (page_remove_rmap->set_page_dirty)
* bdi.wb->list_lock (page_remove_rmap->set_page_dirty)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 3647334c2ef9..99578b63814b 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1848,7 +1848,7 @@ static void __split_huge_page(struct page *page, struct list_head *list,
spin_unlock(&head->mapping->tree_lock);
}
- spin_unlock_irqrestore(&page_zone(head)->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(page_zone(head)), flags);
unfreeze_page(head);
@@ -2034,7 +2034,7 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
lru_add_drain();
/* prevent PageLRU to go away from under us, and freeze lru stats */
- spin_lock_irqsave(&page_zone(head)->lru_lock, flags);
+ spin_lock_irqsave(zone_lru_lock(page_zone(head)), flags);
if (mapping) {
void **pslot;
@@ -2077,7 +2077,7 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
spin_unlock(&pgdata->split_queue_lock);
fail: if (mapping)
spin_unlock(&mapping->tree_lock);
- spin_unlock_irqrestore(&page_zone(head)->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(page_zone(head)), flags);
unfreeze_page(head);
ret = -EBUSY;
}
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 40dfca3ef4bb..9b70f9ca8ddf 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2065,7 +2065,7 @@ static void lock_page_lru(struct page *page, int *isolated)
{
struct zone *zone = page_zone(page);
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
if (PageLRU(page)) {
struct lruvec *lruvec;
@@ -2089,7 +2089,7 @@ static void unlock_page_lru(struct page *page, int isolated)
SetPageLRU(page);
add_page_to_lru_list(page, lruvec, page_lru(page));
}
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
}
static void commit_charge(struct page *page, struct mem_cgroup *memcg,
@@ -2389,7 +2389,7 @@ void memcg_kmem_uncharge(struct page *page, int order)
/*
* Because tail pages are not marked as "used", set it. We're under
- * zone->lru_lock and migration entries setup in all page mappings.
+ * zone_lru_lock and migration entries setup in all page mappings.
*/
void mem_cgroup_split_huge_fixup(struct page *head)
{
diff --git a/mm/mlock.c b/mm/mlock.c
index ef8dc9f395c4..997f63082ff5 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -188,7 +188,7 @@ unsigned int munlock_vma_page(struct page *page)
* might otherwise copy PageMlocked to part of the tail pages before
* we clear it in the head page. It also stabilizes hpage_nr_pages().
*/
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
nr_pages = hpage_nr_pages(page);
if (!TestClearPageMlocked(page))
@@ -197,14 +197,14 @@ unsigned int munlock_vma_page(struct page *page)
__mod_zone_page_state(zone, NR_MLOCK, -nr_pages);
if (__munlock_isolate_lru_page(page, true)) {
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
__munlock_isolated_page(page);
goto out;
}
__munlock_isolation_failed(page);
unlock_out:
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
out:
return nr_pages - 1;
@@ -289,7 +289,7 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone)
pagevec_init(&pvec_putback, 0);
/* Phase 1: page isolation */
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
for (i = 0; i < nr; i++) {
struct page *page = pvec->pages[i];
@@ -315,7 +315,7 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone)
}
delta_munlocked = -nr + pagevec_count(&pvec_putback);
__mod_zone_page_state(zone, NR_MLOCK, delta_munlocked);
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
/* Now we can release pins of pages that we are not munlocking */
pagevec_release(&pvec_putback);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7d4ff81b973f..5760c626c309 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5904,6 +5904,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat)
init_waitqueue_head(&pgdat->kcompactd_wait);
#endif
pgdat_page_ext_init(pgdat);
+ spin_lock_init(&pgdat->lru_lock);
for (j = 0; j < MAX_NR_ZONES; j++) {
struct zone *zone = pgdat->node_zones + j;
@@ -5958,10 +5959,9 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat)
zone->min_slab_pages = (freesize * sysctl_min_slab_ratio) / 100;
#endif
zone->name = zone_names[j];
+ zone->zone_pgdat = pgdat;
spin_lock_init(&zone->lock);
- spin_lock_init(&zone->lru_lock);
zone_seqlock_init(zone);
- zone->zone_pgdat = pgdat;
zone_pcp_init(zone);
/* For bootup, initialized properly in watermark setup */
diff --git a/mm/page_idle.c b/mm/page_idle.c
index 4ea9c4ef5146..ae11aa914e55 100644
--- a/mm/page_idle.c
+++ b/mm/page_idle.c
@@ -41,12 +41,12 @@ static struct page *page_idle_get_page(unsigned long pfn)
return NULL;
zone = page_zone(page);
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
if (unlikely(!PageLRU(page))) {
put_page(page);
page = NULL;
}
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
return page;
}
diff --git a/mm/rmap.c b/mm/rmap.c
index 8a13d9f7b566..dc28bfecbf80 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -27,7 +27,7 @@
* mapping->i_mmap_rwsem
* anon_vma->rwsem
* mm->page_table_lock or pte_lock
- * zone->lru_lock (in mark_page_accessed, isolate_lru_page)
+ * zone_lru_lock (in mark_page_accessed, isolate_lru_page)
* swap_lock (in swap_duplicate, swap_info_get)
* mmlist_lock (in mmput, drain_mmlist and others)
* mapping->private_lock (in __set_page_dirty_buffers)
diff --git a/mm/swap.c b/mm/swap.c
index 616df4ddd870..bf37e5cfae81 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -62,12 +62,12 @@ static void __page_cache_release(struct page *page)
struct lruvec *lruvec;
unsigned long flags;
- spin_lock_irqsave(&zone->lru_lock, flags);
+ spin_lock_irqsave(zone_lru_lock(zone), flags);
lruvec = mem_cgroup_page_lruvec(page, zone);
VM_BUG_ON_PAGE(!PageLRU(page), page);
__ClearPageLRU(page);
del_page_from_lru_list(page, lruvec, page_off_lru(page));
- spin_unlock_irqrestore(&zone->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(zone), flags);
}
mem_cgroup_uncharge(page);
}
@@ -189,16 +189,16 @@ static void pagevec_lru_move_fn(struct pagevec *pvec,
if (pagezone != zone) {
if (zone)
- spin_unlock_irqrestore(&zone->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(zone), flags);
zone = pagezone;
- spin_lock_irqsave(&zone->lru_lock, flags);
+ spin_lock_irqsave(zone_lru_lock(zone), flags);
}
lruvec = mem_cgroup_page_lruvec(page, zone);
(*move_fn)(page, lruvec, arg);
}
if (zone)
- spin_unlock_irqrestore(&zone->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(zone), flags);
release_pages(pvec->pages, pvec->nr, pvec->cold);
pagevec_reinit(pvec);
}
@@ -318,9 +318,9 @@ void activate_page(struct page *page)
struct zone *zone = page_zone(page);
page = compound_head(page);
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
__activate_page(page, mem_cgroup_page_lruvec(page, zone), NULL);
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
}
#endif
@@ -448,13 +448,13 @@ void add_page_to_unevictable_list(struct page *page)
struct zone *zone = page_zone(page);
struct lruvec *lruvec;
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
lruvec = mem_cgroup_page_lruvec(page, zone);
ClearPageActive(page);
SetPageUnevictable(page);
SetPageLRU(page);
add_page_to_lru_list(page, lruvec, LRU_UNEVICTABLE);
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
}
/**
@@ -744,7 +744,7 @@ void release_pages(struct page **pages, int nr, bool cold)
* same zone. The lock is held only if zone != NULL.
*/
if (zone && ++lock_batch == SWAP_CLUSTER_MAX) {
- spin_unlock_irqrestore(&zone->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(zone), flags);
zone = NULL;
}
@@ -759,7 +759,7 @@ void release_pages(struct page **pages, int nr, bool cold)
if (PageCompound(page)) {
if (zone) {
- spin_unlock_irqrestore(&zone->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(zone), flags);
zone = NULL;
}
__put_compound_page(page);
@@ -771,11 +771,11 @@ void release_pages(struct page **pages, int nr, bool cold)
if (pagezone != zone) {
if (zone)
- spin_unlock_irqrestore(&zone->lru_lock,
+ spin_unlock_irqrestore(zone_lru_lock(zone),
flags);
lock_batch = 0;
zone = pagezone;
- spin_lock_irqsave(&zone->lru_lock, flags);
+ spin_lock_irqsave(zone_lru_lock(zone), flags);
}
lruvec = mem_cgroup_page_lruvec(page, zone);
@@ -790,7 +790,7 @@ void release_pages(struct page **pages, int nr, bool cold)
list_add(&page->lru, &pages_to_free);
}
if (zone)
- spin_unlock_irqrestore(&zone->lru_lock, flags);
+ spin_unlock_irqrestore(zone_lru_lock(zone), flags);
mem_cgroup_uncharge_list(&pages_to_free);
free_hot_cold_page_list(&pages_to_free, cold);
@@ -826,7 +826,7 @@ void lru_add_page_tail(struct page *page, struct page *page_tail,
VM_BUG_ON_PAGE(PageCompound(page_tail), page);
VM_BUG_ON_PAGE(PageLRU(page_tail), page);
VM_BUG_ON(NR_CPUS != 1 &&
- !spin_is_locked(&lruvec_zone(lruvec)->lru_lock));
+ !spin_is_locked(zone_lru_lock(lruvec_zone(lruvec))));
if (!list)
SetPageLRU(page_tail);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 21d417ccff69..e7ffcd259cc4 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1349,7 +1349,7 @@ int __isolate_lru_page(struct page *page, isolate_mode_t mode)
}
/*
- * zone->lru_lock is heavily contended. Some of the functions that
+ * zone_lru_lock is heavily contended. Some of the functions that
* shrink the lists perform better by taking out a batch of pages
* and working on them outside the LRU lock.
*
@@ -1444,7 +1444,7 @@ int isolate_lru_page(struct page *page)
struct zone *zone = page_zone(page);
struct lruvec *lruvec;
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
lruvec = mem_cgroup_page_lruvec(page, zone);
if (PageLRU(page)) {
int lru = page_lru(page);
@@ -1453,7 +1453,7 @@ int isolate_lru_page(struct page *page)
del_page_from_lru_list(page, lruvec, lru);
ret = 0;
}
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
}
return ret;
}
@@ -1512,9 +1512,9 @@ putback_inactive_pages(struct lruvec *lruvec, struct list_head *page_list)
VM_BUG_ON_PAGE(PageLRU(page), page);
list_del(&page->lru);
if (unlikely(!page_evictable(page))) {
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
putback_lru_page(page);
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
continue;
}
@@ -1535,10 +1535,10 @@ putback_inactive_pages(struct lruvec *lruvec, struct list_head *page_list)
del_page_from_lru_list(page, lruvec, lru);
if (unlikely(PageCompound(page))) {
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
mem_cgroup_uncharge(page);
(*get_compound_page_dtor(page))(page);
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
} else
list_add(&page->lru, &pages_to_free);
}
@@ -1600,7 +1600,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
if (!sc->may_writepage)
isolate_mode |= ISOLATE_CLEAN;
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
nr_taken = isolate_lru_pages(nr_to_scan, lruvec, &page_list,
&nr_scanned, sc, isolate_mode, lru);
@@ -1616,7 +1616,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
else
__count_zone_vm_events(PGSCAN_DIRECT, zone, nr_scanned);
}
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
if (nr_taken == 0)
return 0;
@@ -1626,7 +1626,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
&nr_writeback, &nr_immediate,
false);
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
if (global_reclaim(sc)) {
if (current_is_kswapd())
@@ -1641,7 +1641,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
__mod_zone_page_state(zone, NR_ISOLATED_ANON + file, -nr_taken);
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
mem_cgroup_uncharge_list(&page_list);
free_hot_cold_page_list(&page_list, true);
@@ -1715,9 +1715,9 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
* processes, from rmap.
*
* If the pages are mostly unmapped, the processing is fast and it is
- * appropriate to hold zone->lru_lock across the whole operation. But if
+ * appropriate to hold zone_lru_lock across the whole operation. But if
* the pages are mapped, the processing is slow (page_referenced()) so we
- * should drop zone->lru_lock around each page. It's impossible to balance
+ * should drop zone_lru_lock around each page. It's impossible to balance
* this, so instead we remove the pages from the LRU while processing them.
* It is safe to rely on PG_active against the non-LRU pages in here because
* nobody will play with that bit on a non-LRU page.
@@ -1754,10 +1754,10 @@ static void move_active_pages_to_lru(struct lruvec *lruvec,
del_page_from_lru_list(page, lruvec, lru);
if (unlikely(PageCompound(page))) {
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
mem_cgroup_uncharge(page);
(*get_compound_page_dtor(page))(page);
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
} else
list_add(&page->lru, pages_to_free);
}
@@ -1792,7 +1792,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
if (!sc->may_writepage)
isolate_mode |= ISOLATE_CLEAN;
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
nr_taken = isolate_lru_pages(nr_to_scan, lruvec, &l_hold,
&nr_scanned, sc, isolate_mode, lru);
@@ -1805,7 +1805,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
__mod_zone_page_state(zone, NR_PAGES_SCANNED, nr_scanned);
__count_zone_vm_events(PGREFILL, zone, nr_scanned);
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
while (!list_empty(&l_hold)) {
cond_resched();
@@ -1850,7 +1850,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
/*
* Move pages back to the lru list.
*/
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
/*
* Count referenced pages from currently used mappings as rotated,
* even though only some of them are actually re-activated. This
@@ -1862,7 +1862,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
move_active_pages_to_lru(lruvec, &l_active, &l_hold, lru);
move_active_pages_to_lru(lruvec, &l_inactive, &l_hold, lru - LRU_ACTIVE);
__mod_zone_page_state(zone, NR_ISOLATED_ANON + file, -nr_taken);
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
mem_cgroup_uncharge_list(&l_hold);
free_hot_cold_page_list(&l_hold, true);
@@ -2077,7 +2077,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
file = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE) +
lruvec_lru_size(lruvec, LRU_INACTIVE_FILE);
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
if (unlikely(reclaim_stat->recent_scanned[0] > anon / 4)) {
reclaim_stat->recent_scanned[0] /= 2;
reclaim_stat->recent_rotated[0] /= 2;
@@ -2098,7 +2098,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
fp = file_prio * (reclaim_stat->recent_scanned[1] + 1);
fp /= reclaim_stat->recent_rotated[1] + 1;
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
fraction[0] = ap;
fraction[1] = fp;
@@ -3791,9 +3791,9 @@ void check_move_unevictable_pages(struct page **pages, int nr_pages)
pagezone = page_zone(page);
if (pagezone != zone) {
if (zone)
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
zone = pagezone;
- spin_lock_irq(&zone->lru_lock);
+ spin_lock_irq(zone_lru_lock(zone));
}
lruvec = mem_cgroup_page_lruvec(page, zone);
@@ -3814,7 +3814,7 @@ void check_move_unevictable_pages(struct page **pages, int nr_pages)
if (zone) {
__count_vm_events(UNEVICTABLE_PGRESCUED, pgrescued);
__count_vm_events(UNEVICTABLE_PGSCANNED, pgscanned);
- spin_unlock_irq(&zone->lru_lock);
+ spin_unlock_irq(zone_lru_lock(zone));
}
}
#endif /* CONFIG_SHMEM */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.