diff options
| author | Pingfan Liu <kernelfans@gmail.com> | 2019-07-11 20:54:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-12 11:05:43 -0700 |
| commit | 1fcf0a561cd09d7fb7f7afa2ddfe05f72f32050e (patch) | |
| tree | 6d447f17d7827f03ca7a42bc437e4b478e9f14ce | |
| parent | ac1c3e49a9a734150b33297eeca5b43d92fd5be8 (diff) | |
mm/page_isolation.c: change the prototype of undo_isolate_page_range()
undo_isolate_page_range() never fails, so no need to return value.
Link: http://lkml.kernel.org/r/1562075604-8979-1-git-send-email-kernelfans@gmail.com
Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Qian Cai <cai@lca.pw>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/page-isolation.h | 2 | ||||
| -rw-r--r-- | mm/page_isolation.c | 3 |
2 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h index 280ae96dc4c3..1099c2fee20f 100644 --- a/include/linux/page-isolation.h +++ b/include/linux/page-isolation.h @@ -50,7 +50,7 @@ start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, * Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE. * target range is [start_pfn, end_pfn) */ -int +void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, unsigned migratetype); diff --git a/mm/page_isolation.c b/mm/page_isolation.c index e3638a5bafff..89c19c0feadb 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -230,7 +230,7 @@ undo: /* * Make isolated pages available again. */ -int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, +void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, unsigned migratetype) { unsigned long pfn; @@ -247,7 +247,6 @@ int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, continue; unset_migratetype_isolate(page, migratetype); } - return 0; } /* * Test all pages in the range is free(means isolated) or not. |