The patch titled
Subject: mm: remove obsolete comment above struct per_cpu_pages
has been added to the -mm mm-unstable branch. Its filename is
mm-remove-obsolete-comment-above-struct-per_cpu_pages.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-obsolete-comment-above-struct-per_cpu_pages.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm: remove obsolete comment above struct per_cpu_pages
Date: Thu, 6 Jul 2023 17:24:41 +0800
Since commit 01b44456a7aa ("mm/page_alloc: replace local_lock with normal
spinlock"), per_cpu_pages is protected by normal spinlock. Remove the
obsolete comment as it's not that helpful.
Link: https://lkml.kernel.org/r/20230706092441.1574950-1-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mmzone.h | 1 -
1 file changed, 1 deletion(-)
--- a/include/linux/mmzone.h~mm-remove-obsolete-comment-above-struct-per_cpu_pages
+++ a/include/linux/mmzone.h
@@ -676,7 +676,6 @@ enum zone_watermarks {
#define high_wmark_pages(z) (z->_watermark[WMARK_HIGH] + z->watermark_boost)
#define wmark_pages(z, i) (z->_watermark[i] + z->watermark_boost)
-/* Fields and list protected by pagesets local_lock in page_alloc.c */
struct per_cpu_pages {
spinlock_t lock; /* Protects lists field */
int count; /* number of pages in the list */
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-mm_initc-update-obsolete-comment-in-get_pfn_range_for_nid.patch
mm-memory-failure-fix-unexpected-return-value-in-soft_offline_page.patch
mm-memory-failure-fix-potential-page-refcnt-leak-in-memory_failure.patch
mm-memory-failure-remove-unneeded-page-state-check-in-shake_page.patch
memory-tier-use-helper-function-destroy_memory_type.patch
mm-memory-failure-remove-unneeded-inline-annotation.patch
mm-mm_initc-remove-obsolete-macro-hash_small.patch
mm-page_alloc-avoid-false-page-outside-zone-error-info.patch
memory-tier-rename-destroy_memory_type-to-put_memory_type.patch
mm-remove-obsolete-comment-above-struct-per_cpu_pages.patch
