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mm: remove obsolete comment above struct per_cpu_pages

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Since commit 01b44456a7 ("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@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2023-07-06 17:24:41 +08:00 committed by Andrew Morton
parent bded67f81e
commit 8f21912a4b
1 changed files with 0 additions and 1 deletions
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include/linux/mmzone.h
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@ -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 */