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mm/page_alloc: move set_page_refcounted() to callers of __alloc_pages_direct_compact()

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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@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle)
2024-11-25 21:01:41 +00:00
committed by Andrew Morton
parent df544c5eef
commit 8e4c8a9702
1 changed files with 6 additions and 3 deletions
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9
mm/page_alloc.c
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@@ -3706,7 +3706,6 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order,
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 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
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 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
/* 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)