* [PATCH] mm: remove obsolete comment above struct per_cpu_pages
@ 2023-07-06 9:24 Miaohe Lin
0 siblings, 0 replies; only message in thread
From: Miaohe Lin @ 2023-07-06 9:24 UTC (permalink / raw)
To: akpm; +Cc: linux-mm, linux-kernel, linmiaohe
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.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
include/linux/mmzone.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 5e50b78d58ea..4106fbc5b4b3 100644
--- a/include/linux/mmzone.h
+++ b/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 */
--
2.33.0
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