The patch titled
Subject: mm: replace init_page_accessed by __SetPageReferenced
has been removed from the -mm tree. Its filename was
mm-replace-init_page_accessed-by-__setpagereferenced.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Hugh Dickins <hughd@xxxxxxxxxx>
Subject: mm: replace init_page_accessed by __SetPageReferenced
Do we really need an exported alias for __SetPageReferenced()?
Its callers better know what they're doing, in which case the page
would not be already marked referenced. Kill init_page_accessed(),
just __SetPageReferenced() inline.
Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>
Acked-by: Mel Gorman <mgorman@xxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: Prabhakar Lad <prabhakar.csengg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/swap.h | 1 -
mm/filemap.c | 4 ++--
mm/shmem.c | 2 +-
mm/swap.c | 14 +++-----------
4 files changed, 6 insertions(+), 15 deletions(-)
diff -puN include/linux/swap.h~mm-replace-init_page_accessed-by-__setpagereferenced include/linux/swap.h
--- a/include/linux/swap.h~mm-replace-init_page_accessed-by-__setpagereferenced
+++ a/include/linux/swap.h
@@ -311,7 +311,6 @@ extern void lru_add_page_tail(struct pag
struct lruvec *lruvec, struct list_head *head);
extern void activate_page(struct page *);
extern void mark_page_accessed(struct page *);
-extern void init_page_accessed(struct page *page);
extern void lru_add_drain(void);
extern void lru_add_drain_cpu(int cpu);
extern void lru_add_drain_all(void);
diff -puN mm/filemap.c~mm-replace-init_page_accessed-by-__setpagereferenced mm/filemap.c
--- a/mm/filemap.c~mm-replace-init_page_accessed-by-__setpagereferenced
+++ a/mm/filemap.c
@@ -1091,9 +1091,9 @@ no_page:
if (WARN_ON_ONCE(!(fgp_flags & FGP_LOCK)))
fgp_flags |= FGP_LOCK;
- /* Init accessed so avoit atomic mark_page_accessed later */
+ /* Init accessed so avoid atomic mark_page_accessed later */
if (fgp_flags & FGP_ACCESSED)
- init_page_accessed(page);
+ __SetPageReferenced(page);
err = add_to_page_cache_lru(page, mapping, offset, radix_gfp_mask);
if (unlikely(err)) {
diff -puN mm/shmem.c~mm-replace-init_page_accessed-by-__setpagereferenced mm/shmem.c
--- a/mm/shmem.c~mm-replace-init_page_accessed-by-__setpagereferenced
+++ a/mm/shmem.c
@@ -1166,7 +1166,7 @@ repeat:
__SetPageSwapBacked(page);
__set_page_locked(page);
if (sgp == SGP_WRITE)
- init_page_accessed(page);
+ __SetPageReferenced(page);
error = mem_cgroup_charge_file(page, current->mm,
gfp & GFP_RECLAIM_MASK);
diff -puN mm/swap.c~mm-replace-init_page_accessed-by-__setpagereferenced mm/swap.c
--- a/mm/swap.c~mm-replace-init_page_accessed-by-__setpagereferenced
+++ a/mm/swap.c
@@ -589,6 +589,9 @@ static void __lru_cache_activate_page(st
* inactive,unreferenced -> inactive,referenced
* inactive,referenced -> active,unreferenced
* active,unreferenced -> active,referenced
+ *
+ * When a newly allocated page is not yet visible, so safe for non-atomic ops,
+ * __SetPageReferenced(page) may be substituted for mark_page_accessed(page).
*/
void mark_page_accessed(struct page *page)
{
@@ -614,17 +617,6 @@ void mark_page_accessed(struct page *pag
}
EXPORT_SYMBOL(mark_page_accessed);
-/*
- * Used to mark_page_accessed(page) that is not visible yet and when it is
- * still safe to use non-atomic ops
- */
-void init_page_accessed(struct page *page)
-{
- if (!PageReferenced(page))
- __SetPageReferenced(page);
-}
-EXPORT_SYMBOL(init_page_accessed);
-
static void __lru_cache_add(struct page *page)
{
struct pagevec *pvec = &get_cpu_var(lru_add_pvec);
_
Patches currently in -mm which might be from hughd@xxxxxxxxxx are
origin.patch
mm-memcontrol-rewrite-charge-api.patch
mm-memcontrol-rewrite-uncharge-api.patch
mm-memcontrol-use-page-lists-for-uncharge-batching.patch
mm-memcontrol-use-page-lists-for-uncharge-batching-fix-hugetlb-page-lru.patch
vmstat-on-demand-vmstat-workers-v8.patch
vmstat-on-demand-vmstat-workers-v8-do-not-open-code-alloc_cpumask_var.patch
mm-hugetlb-take-refcount-under-page-table-lock-in-follow_huge_pmd.patch
mm-hugetlb-use-get_page_unless_zero-in-hugetlb_fault.patch
mm-hugetlb-add-migration-entry-check-in-hugetlb_change_protection.patch
mm-memcontrol-avoid-charge-statistics-churn-during-page-migration.patch
mm-hugetlb-remove-unused-argument-of-follow_huge_pmdpud.patch
linux-next.patch
mm-allow-drivers-to-prevent-new-writable-mappings.patch
shm-add-sealing-api.patch
shm-add-memfd_create-syscall.patch
selftests-add-memfd_create-sealing-tests.patch
selftests-add-memfd-sealing-page-pinning-tests.patch
shm-wait-for-pins-to-be-released-when-sealing.patch
timer-provide-an-api-for-deferrable-timeout.patch
ksm-provide-support-to-use-deferrable-timers-for-scanner-thread.patch
ksm-provide-support-to-use-deferrable-timers-for-scanner-thread-fix.patch
ksm-provide-support-to-use-deferrable-timers-for-scanner-thread-fix-fix-2.patch
mm-replace-remap_file_pages-syscall-with-emulation-fix-3.patch
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