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authorPingfan Liu <kernelfans@gmail.com>2019-07-12 05:54:49 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-12 20:05:43 +0200
commit1fcf0a561cd09d7fb7f7afa2ddfe05f72f32050e (patch)
tree6d447f17d7827f03ca7a42bc437e4b478e9f14ce /mm/page_isolation.c
parentmm: remove the account_page_dirtied export (diff)
downloadlinux-1fcf0a561cd09d7fb7f7afa2ddfe05f72f32050e.tar.xz
linux-1fcf0a561cd09d7fb7f7afa2ddfe05f72f32050e.zip
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>
Diffstat (limited to 'mm/page_isolation.c')
-rw-r--r--mm/page_isolation.c3
1 files changed, 1 insertions, 2 deletions
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.