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mm, page_isolation: make set/unset_migratetype_isolate() file-local

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Nowaday, set/unset_migratetype_isolate() is defined and used only in
mm/page_isolation, so let's limit the scope within the file.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Naoya Horiguchi 2015-09-08 15:02:09 -07:00 • committed by Linus Torvalds
parent acda0c3340
commit c5b4e1b02f
2 changed files with 3 additions and 7 deletions
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5
include/linux/page-isolation.h
View file

@ -65,11 +65,6 @@ undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn, int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
bool skip_hwpoisoned_pages); bool skip_hwpoisoned_pages);
/*
* Internal functions. Changes pageblock's migrate type.
*/
int set_migratetype_isolate(struct page *page, bool skip_hwpoisoned_pages);
void unset_migratetype_isolate(struct page *page, unsigned migratetype);
struct page *alloc_migrate_target(struct page *page, unsigned long private, struct page *alloc_migrate_target(struct page *page, unsigned long private,
int **resultp); int **resultp);

5
mm/page_isolation.c
View file

@ -9,7 +9,8 @@
#include <linux/hugetlb.h> #include <linux/hugetlb.h>
#include "internal.h" #include "internal.h"
int set_migratetype_isolate(struct page *page, bool skip_hwpoisoned_pages) static int set_migratetype_isolate(struct page *page,
bool skip_hwpoisoned_pages)
{ {
struct zone *zone; struct zone *zone;
unsigned long flags, pfn; unsigned long flags, pfn;
@ -72,7 +73,7 @@ out:
return ret; return ret;
} }
void unset_migratetype_isolate(struct page *page, unsigned migratetype) static void unset_migratetype_isolate(struct page *page, unsigned migratetype)
{ {
struct zone *zone; struct zone *zone;
unsigned long flags, nr_pages; unsigned long flags, nr_pages;