mm: remove obsolete comment above struct per_cpu_pages

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@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 5e50b78d58ea687c6658e37edb270994b4cb4a35..4106fbc5b4b3248858899e4e88ab3b248ea6de0b 100644 (file)
--- 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 */