The patch titled
Subject: mm/page_alloc: update comments for rmqueue()
has been added to the -mm mm-unstable branch. Its filename is
mm-page_alloc-update-comments-for-rmqueue.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_alloc-update-comments-for-rmqueue.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Ran Xiaokai <ran.xiaokai@xxxxxxxxxx>
Subject: mm/page_alloc: update comments for rmqueue()
Date: Sun, 18 Sep 2022 02:56:40 +0000
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@xxxxxxxxxx
Signed-off-by: Ran Xiaokai <ran.xiaokai@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/mm/page_alloc.c~mm-page_alloc-update-comments-for-rmqueue
+++ a/mm/page_alloc.c
@@ -3810,7 +3810,8 @@ static struct page *rmqueue_pcplist(stru
}
/*
- * 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.
*/
/*
_
Patches currently in -mm which might be from ran.xiaokai@xxxxxxxxxx are
mm-page_alloc-update-comments-for-rmqueue.patch
