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-rw-r--r--include/asm-generic/termios-base.h2
-rw-r--r--include/asm-generic/termios.h2
-rw-r--r--include/drm/drmP.h2
-rw-r--r--include/linux/isdnif.h2
-rw-r--r--include/linux/mm.h2
-rw-r--r--include/linux/ntb.h3
-rw-r--r--include/linux/page-flags.h33
-rw-r--r--include/linux/pagemap.h25
-rw-r--r--include/linux/poll.h2
-rw-r--r--include/linux/writeback.h1
-rw-r--r--include/net/checksum.h2
-rw-r--r--include/net/sctp/sctp.h2
-rw-r--r--include/rdma/ib_verbs.h2
-rw-r--r--include/trace/events/mmflags.h2
14 files changed, 51 insertions, 31 deletions
diff --git a/include/asm-generic/termios-base.h b/include/asm-generic/termios-base.h
index 0a769feb22b0..157bbf6f4510 100644
--- a/include/asm-generic/termios-base.h
+++ b/include/asm-generic/termios-base.h
@@ -4,7 +4,7 @@
#ifndef _ASM_GENERIC_TERMIOS_BASE_H
#define _ASM_GENERIC_TERMIOS_BASE_H
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#ifndef __ARCH_TERMIO_GETPUT
diff --git a/include/asm-generic/termios.h b/include/asm-generic/termios.h
index 4fa6fe0fc2a2..8c13a16b074e 100644
--- a/include/asm-generic/termios.h
+++ b/include/asm-generic/termios.h
@@ -2,7 +2,7 @@
#define _ASM_GENERIC_TERMIOS_H
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <uapi/asm-generic/termios.h>
/* intr=^C quit=^\ erase=del kill=^U
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index a9cfd33c7b1a..192016e2b518 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -61,7 +61,7 @@
#include <asm/mman.h>
#include <asm/pgalloc.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <uapi/drm/drm.h>
#include <uapi/drm/drm_mode.h>
diff --git a/include/linux/isdnif.h b/include/linux/isdnif.h
index 0fc6ff276221..8d80fdc68647 100644
--- a/include/linux/isdnif.h
+++ b/include/linux/isdnif.h
@@ -500,6 +500,6 @@ typedef struct {
*
*/
extern int register_isdn(isdn_if*);
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#endif /* __ISDNIF_H__ */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 4424784ac374..fe6b4036664a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1758,6 +1758,8 @@ static inline spinlock_t *pmd_lock(struct mm_struct *mm, pmd_t *pmd)
return ptl;
}
+extern void __init pagecache_init(void);
+
extern void free_area_init(unsigned long * zones_size);
extern void free_area_init_node(int nid, unsigned long * zones_size,
unsigned long zone_start_pfn, unsigned long *zholes_size);
diff --git a/include/linux/ntb.h b/include/linux/ntb.h
index 50a7dbe88cf3..de87ceac110e 100644
--- a/include/linux/ntb.h
+++ b/include/linux/ntb.h
@@ -968,6 +968,9 @@ static inline int ntb_peer_spad_addr(struct ntb_dev *ntb, int idx,
*/
static inline u32 ntb_peer_spad_read(struct ntb_dev *ntb, int idx)
{
+ if (!ntb->ops->peer_spad_read)
+ return 0;
+
return ntb->ops->peer_spad_read(ntb, idx);
}
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 74e4dda91238..c56b39890a41 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -73,6 +73,7 @@
*/
enum pageflags {
PG_locked, /* Page is locked. Don't touch. */
+ PG_waiters, /* Page has waiters, check its waitqueue */
PG_error,
PG_referenced,
PG_uptodate,
@@ -87,7 +88,6 @@ enum pageflags {
PG_private_2, /* If pagecache, has fs aux data */
PG_writeback, /* Page is under writeback */
PG_head, /* A head page */
- PG_swapcache, /* Swap page: swp_entry_t in private */
PG_mappedtodisk, /* Has blocks allocated on-disk */
PG_reclaim, /* To be reclaimed asap */
PG_swapbacked, /* Page is backed by RAM/swap */
@@ -110,6 +110,9 @@ enum pageflags {
/* Filesystems */
PG_checked = PG_owner_priv_1,
+ /* SwapBacked */
+ PG_swapcache = PG_owner_priv_1, /* Swap page: swp_entry_t in private */
+
/* Two page bits are conscripted by FS-Cache to maintain local caching
* state. These bits are set on pages belonging to the netfs's inodes
* when those inodes are being locally cached.
@@ -167,6 +170,9 @@ static __always_inline int PageCompound(struct page *page)
* for compound page all operations related to the page flag applied to
* head page.
*
+ * PF_ONLY_HEAD:
+ * for compound page, callers only ever operate on the head page.
+ *
* PF_NO_TAIL:
* modifications of the page flag must be done on small or head pages,
* checks can be done on tail pages too.
@@ -176,6 +182,9 @@ static __always_inline int PageCompound(struct page *page)
*/
#define PF_ANY(page, enforce) page
#define PF_HEAD(page, enforce) compound_head(page)
+#define PF_ONLY_HEAD(page, enforce) ({ \
+ VM_BUG_ON_PGFLAGS(PageTail(page), page); \
+ page;})
#define PF_NO_TAIL(page, enforce) ({ \
VM_BUG_ON_PGFLAGS(enforce && PageTail(page), page); \
compound_head(page);})
@@ -253,6 +262,7 @@ static inline int TestClearPage##uname(struct page *page) { return 0; }
TESTSETFLAG_FALSE(uname) TESTCLEARFLAG_FALSE(uname)
__PAGEFLAG(Locked, locked, PF_NO_TAIL)
+PAGEFLAG(Waiters, waiters, PF_ONLY_HEAD) __CLEARPAGEFLAG(Waiters, waiters, PF_ONLY_HEAD)
PAGEFLAG(Error, error, PF_NO_COMPOUND) TESTCLEARFLAG(Error, error, PF_NO_COMPOUND)
PAGEFLAG(Referenced, referenced, PF_HEAD)
TESTCLEARFLAG(Referenced, referenced, PF_HEAD)
@@ -314,7 +324,13 @@ PAGEFLAG_FALSE(HighMem)
#endif
#ifdef CONFIG_SWAP
-PAGEFLAG(SwapCache, swapcache, PF_NO_COMPOUND)
+static __always_inline int PageSwapCache(struct page *page)
+{
+ return PageSwapBacked(page) && test_bit(PG_swapcache, &page->flags);
+
+}
+SETPAGEFLAG(SwapCache, swapcache, PF_NO_COMPOUND)
+CLEARPAGEFLAG(SwapCache, swapcache, PF_NO_COMPOUND)
#else
PAGEFLAG_FALSE(SwapCache)
#endif
@@ -701,12 +717,12 @@ static inline void ClearPageSlabPfmemalloc(struct page *page)
* Flags checked when a page is freed. Pages being freed should not have
* these flags set. It they are, there is a problem.
*/
-#define PAGE_FLAGS_CHECK_AT_FREE \
- (1UL << PG_lru | 1UL << PG_locked | \
- 1UL << PG_private | 1UL << PG_private_2 | \
- 1UL << PG_writeback | 1UL << PG_reserved | \
- 1UL << PG_slab | 1UL << PG_swapcache | 1UL << PG_active | \
- 1UL << PG_unevictable | __PG_MLOCKED)
+#define PAGE_FLAGS_CHECK_AT_FREE \
+ (1UL << PG_lru | 1UL << PG_locked | \
+ 1UL << PG_private | 1UL << PG_private_2 | \
+ 1UL << PG_writeback | 1UL << PG_reserved | \
+ 1UL << PG_slab | 1UL << PG_active | \
+ 1UL << PG_unevictable | __PG_MLOCKED)
/*
* Flags checked when a page is prepped for return by the page allocator.
@@ -735,6 +751,7 @@ static inline int page_has_private(struct page *page)
#undef PF_ANY
#undef PF_HEAD
+#undef PF_ONLY_HEAD
#undef PF_NO_TAIL
#undef PF_NO_COMPOUND
#endif /* !__GENERATING_BOUNDS_H */
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 7dbe9148b2f8..324c8dbad1e1 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -9,7 +9,7 @@
#include <linux/list.h>
#include <linux/highmem.h>
#include <linux/compiler.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/gfp.h>
#include <linux/bitops.h>
#include <linux/hardirq.h> /* for in_interrupt() */
@@ -486,22 +486,14 @@ static inline int lock_page_or_retry(struct page *page, struct mm_struct *mm,
* and for filesystems which need to wait on PG_private.
*/
extern void wait_on_page_bit(struct page *page, int bit_nr);
-
extern int wait_on_page_bit_killable(struct page *page, int bit_nr);
-extern int wait_on_page_bit_killable_timeout(struct page *page,
- int bit_nr, unsigned long timeout);
-
-static inline int wait_on_page_locked_killable(struct page *page)
-{
- if (!PageLocked(page))
- return 0;
- return wait_on_page_bit_killable(compound_head(page), PG_locked);
-}
+extern void wake_up_page_bit(struct page *page, int bit_nr);
-extern wait_queue_head_t *page_waitqueue(struct page *page);
static inline void wake_up_page(struct page *page, int bit)
{
- __wake_up_bit(page_waitqueue(page), &page->flags, bit);
+ if (!PageWaiters(page))
+ return;
+ wake_up_page_bit(page, bit);
}
/*
@@ -517,6 +509,13 @@ static inline void wait_on_page_locked(struct page *page)
wait_on_page_bit(compound_head(page), PG_locked);
}
+static inline int wait_on_page_locked_killable(struct page *page)
+{
+ if (!PageLocked(page))
+ return 0;
+ return wait_on_page_bit_killable(compound_head(page), PG_locked);
+}
+
/*
* Wait for a page to complete writeback
*/
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 37b057b63b46..a46d6755035e 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -8,7 +8,7 @@
#include <linux/string.h>
#include <linux/fs.h>
#include <linux/sysctl.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <uapi/linux/poll.h>
extern struct ctl_table epoll_table[]; /* for sysctl */
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index c78f9f0920b5..5527d910ba3d 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -375,7 +375,6 @@ void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty);
unsigned long wb_calc_thresh(struct bdi_writeback *wb, unsigned long thresh);
void wb_update_bandwidth(struct bdi_writeback *wb, unsigned long start_time);
-void page_writeback_init(void);
void balance_dirty_pages_ratelimited(struct address_space *mapping);
bool wb_over_bg_thresh(struct bdi_writeback *wb);
diff --git a/include/net/checksum.h b/include/net/checksum.h
index 5c30891e84e5..35d0fabd2782 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -22,7 +22,7 @@
#include <linux/errno.h>
#include <asm/types.h>
#include <asm/byteorder.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/checksum.h>
#ifndef _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index f0dcaebebddb..d8833a86cd7e 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -69,7 +69,7 @@
#include <net/ip6_route.h>
#endif
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/page.h>
#include <net/sock.h>
#include <net/snmp.h>
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 8029d2a51f14..958a24d8fae7 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -59,7 +59,7 @@
#include <linux/if_link.h>
#include <linux/atomic.h>
#include <linux/mmu_notifier.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
extern struct workqueue_struct *ib_wq;
extern struct workqueue_struct *ib_comp_wq;
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h
index 5a81ab48a2fb..9e687ca9a307 100644
--- a/include/trace/events/mmflags.h
+++ b/include/trace/events/mmflags.h
@@ -81,6 +81,7 @@
#define __def_pageflag_names \
{1UL << PG_locked, "locked" }, \
+ {1UL << PG_waiters, "waiters" }, \
{1UL << PG_error, "error" }, \
{1UL << PG_referenced, "referenced" }, \
{1UL << PG_uptodate, "uptodate" }, \
@@ -95,7 +96,6 @@
{1UL << PG_private_2, "private_2" }, \
{1UL << PG_writeback, "writeback" }, \
{1UL << PG_head, "head" }, \
- {1UL << PG_swapcache, "swapcache" }, \
{1UL << PG_mappedtodisk, "mappedtodisk" }, \
{1UL << PG_reclaim, "reclaim" }, \
{1UL << PG_swapbacked, "swapbacked" }, \
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.