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Diffstat (limited to 'mm/page_isolation.c')
-rw-r--r--mm/page_isolation.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index aa94afb63823..abfe26ad59fd 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -173,8 +173,7 @@ __first_valid_page(unsigned long pfn, unsigned long nr_pages)
* (e.g. __offline_pages will need to call it after check for isolated range for
* a next retry).
*
- * Return: the number of isolated pageblocks on success and -EBUSY if any part
- * of range cannot be isolated.
+ * Return: 0 on success and -EBUSY if any part of range cannot be isolated.
*/
int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
unsigned migratetype, int flags)
@@ -182,7 +181,6 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
unsigned long pfn;
unsigned long undo_pfn;
struct page *page;
- int nr_isolate_pageblock = 0;
BUG_ON(!IS_ALIGNED(start_pfn, pageblock_nr_pages));
BUG_ON(!IS_ALIGNED(end_pfn, pageblock_nr_pages));
@@ -196,10 +194,9 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
undo_pfn = pfn;
goto undo;
}
- nr_isolate_pageblock++;
}
}
- return nr_isolate_pageblock;
+ return 0;
undo:
for (pfn = start_pfn;
pfn < undo_pfn;