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

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In preparation for allocating frozen pages, stop initialising the page
refcount in __alloc_pages_direct_reclaim().

Link: https://lkml.kernel.org/r/20241125210149.2976098-11-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 21:01:42 +00:00 committed by Andrew Morton
parent 8e4c8a9702
commit 30fdb6df4c
1 changed files with 3 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

5
mm/page_alloc.c
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@ -3964,7 +3964,6 @@ __alloc_pages_direct_reclaim(gfp_t gfp_mask, unsigned int order,
drained = true; drained = true;
goto retry; goto retry;
} }
set_page_refcounted(page);
out: out:
psi_memstall_leave(&pflags); psi_memstall_leave(&pflags);
@ -4386,8 +4385,10 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
/* Try direct reclaim and then allocating */ /* Try direct reclaim and then allocating */
page = __alloc_pages_direct_reclaim(gfp_mask, order, alloc_flags, ac, page = __alloc_pages_direct_reclaim(gfp_mask, order, alloc_flags, ac,
&did_some_progress); &did_some_progress);
if (page) if (page) {
set_page_refcounted(page);
goto got_pg; goto got_pg;
}
/* Try direct compaction and then allocating */ /* Try direct compaction and then allocating */
page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac, page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac,