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mm: page_alloc: set sysctl_lowmem_reserve_ratio storage-class-specifier to static

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smatch reports
mm/page_alloc.c:247:5: warning: symbol
  'sysctl_lowmem_reserve_ratio' was not declared. Should it be static?

This variable is only used in its defining file, so it should be static

Link: https://lkml.kernel.org/r/20230518141119.927074-1-trix@redhat.com
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Tom Rix 2023-05-18 10:11:19 -04:00 committed by Andrew Morton
parent 5c1c03de1b
commit 62069aace1
1 changed files with 1 additions and 1 deletions
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2
mm/page_alloc.c
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@ -244,7 +244,7 @@ static void __free_pages_ok(struct page *page, unsigned int order,
* TBD: should special case ZONE_DMA32 machines here - in those we normally
* don't need any ZONE_NORMAL reservation
*/
int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES] = {
static int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES] = {
#ifdef CONFIG_ZONE_DMA
[ZONE_DMA] = 256,
#endif