The quilt patch titled
Subject: mm/page_alloc: move set_page_refcounted() to callers of __alloc_pages_direct_compact()
has been removed from the -mm tree. Its filename was
mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_direct_compact.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm/page_alloc: move set_page_refcounted() to callers of __alloc_pages_direct_compact()
Date: Mon, 25 Nov 2024 21:01:41 +0000
In preparation for allocating frozen pages, stop initialising the page
refcount in __alloc_pages_direct_compact().
Link: https://lkml.kernel.org/r/20241125210149.2976098-10-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: William Kucharski <william.kucharski@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
--- a/mm/page_alloc.c~mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_direct_compact
+++ a/mm/page_alloc.c
@@ -3706,7 +3706,6 @@ __alloc_pages_direct_compact(gfp_t gfp_m
if (page) {
struct zone *zone = page_zone(page);
- set_page_refcounted(page);
zone->compact_blockskip_flush = false;
compaction_defer_reset(zone, order, true);
count_vm_event(COMPACTSUCCESS);
@@ -4308,8 +4307,10 @@ restart:
alloc_flags, ac,
INIT_COMPACT_PRIORITY,
&compact_result);
- if (page)
+ if (page) {
+ set_page_refcounted(page);
goto got_pg;
+ }
/*
* Checks for costly allocations with __GFP_NORETRY, which
@@ -4391,8 +4392,10 @@ retry:
/* Try direct compaction and then allocating */
page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac,
compact_priority, &compact_result);
- if (page)
+ if (page) {
+ set_page_refcounted(page);
goto got_pg;
+ }
/* Do not loop if specifically requested */
if (gfp_mask & __GFP_NORETRY)
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-remove-pagetranstail.patch
