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mm: make some vars and functions static or __init

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"page_idle_ops" as a global var, but its scope of use within this
document.  So it should be static.

"page_ext_ops" is a var used in the kernel initial phase.  And other
functions are aslo used in the kernel initial phase.  So they should be
__init or __initdata to reclaim memory.

Link: https://lkml.kernel.org/r/20211217095023.67293-1-liuting.0x7c00@bytedance.com
Signed-off-by: Ting Liu <liuting.0x7c00@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ting Liu
2022-01-14 14:09:28 -08:00
committed by Linus Torvalds
parent 0b8f0d8700
commit cab0a7c115
3 changed files with 4 additions and 5 deletions
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1
include/linux/page_idle.h
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@@ -13,7 +13,6 @@
* If there is not enough space to store Idle and Young bits in page flags, use
* page ext flags instead.
*/
extern struct page_ext_operations page_idle_ops;
static inline bool folio_test_young(struct folio *folio)
{