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| author |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2025-09-10 15:29:19 +0100 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2025-09-21 14:22:32 -0700 |
| commit | 9d003dec972563efb8ce14c9962af3652d0e201d (patch) | |
| tree | 4f311595582dd03f3f0345ab6ee46828513f368e /mm/page_alloc.c | |
| parent | mm: remove redundant test in validate_page_before_insert() (diff) | |
| download | wireguard-linux-9d003dec972563efb8ce14c9962af3652d0e201d.tar.xz wireguard-linux-9d003dec972563efb8ce14c9962af3652d0e201d.zip | |
mm: remove page->order
We already use page->private for storing the order of a page while it's in
the buddy allocator system; extend that to also storing the order while
it's in the pcp_llist.
Link: https://lkml.kernel.org/r/20250910142923.2465470-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index cf38d499e045..2bfab96c207f 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1520,7 +1520,7 @@ static void add_page_to_zone_llist(struct zone *zone, struct page *page, unsigned int order) { /* Remember the order */ - page->order = order; + page->private = order; /* Add the page to the free list */ llist_add(&page->pcp_llist, &zone->trylock_free_pages); } @@ -1549,7 +1549,7 @@ static void free_one_page(struct zone *zone, struct page *page, llnode = llist_del_all(llhead); llist_for_each_entry_safe(p, tmp, llnode, pcp_llist) { - unsigned int p_order = p->order; + unsigned int p_order = p->private; split_large_buddy(zone, p, page_to_pfn(p), p_order, fpi_flags); __count_vm_events(PGFREE, 1 << p_order); |