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| author | Ran Xiaokai <ran.xiaokai@zte.com.cn> | 2022-09-18 02:56:40 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:03:31 -0700 |
| commit | a57ae9ef9e1a20b68ae841a8cab7aff3f000ed9d (patch) | |
| tree | 76ee5b6d0cdb23547e654dd366a2baa6372f573f /mm | |
| parent | e3e486e634bfd652036292c3d66f9d388614ffe6 (diff) | |
mm/page_alloc: update comments for rmqueue()
Since commit 44042b449872 ("mm/page_alloc: allow high-order pages to be
stored on the per-cpu lists"), the per-cpu page allocators (PCP) is not
only for order-0 pages. Update the comments.
Link: https://lkml.kernel.org/r/20220918025640.208586-1-ran.xiaokai@zte.com.cn
Signed-off-by: Ran Xiaokai <ran.xiaokai@zte.com.cn>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 66f7778732fb..12b6184cbbed 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3810,7 +3810,8 @@ static struct page *rmqueue_pcplist(struct zone *preferred_zone, } /* - * Allocate a page from the given zone. Use pcplists for order-0 allocations. + * Allocate a page from the given zone. + * Use pcplists for THP or "cheap" high-order allocations. */ /* |