undo_isolate_page_range() never fails, so no need to return value.
Signed-off-by: Pingfan Liu <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Oscar Salvador <[email protected]>
Cc: Qian Cai <[email protected]>
Cc: Anshuman Khandual <[email protected]>
Cc: [email protected]
---
include/linux/page-isolation.h | 2 +-
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 280ae96..1099c2f 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 e3638a5..89c19c0 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -230,7 +230,7 @@ int start_isolate_page_range(unsigned long start_pfn,
unsigned long end_pfn,
/*
* 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.
--
2.7.5
