mm/page_isolation.c: change the prototype of undo_isolate_page_range()

undo_isolate_page_range() never fails, so no need to return value.

Pingfan Liu committed 7 years ago

Commit 1fcf0a51 parent ac1c3e42 files · +2 −3Browse files

Unified · Split

2 files

@@ -50,7 +50,7 @@ start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, · 49 unmodified lines
50	* Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE.	50	* Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE.
51	* target range is [start_pfn, end_pfn)	51	* target range is [start_pfn, end_pfn)
52	*/	52	*/
53	int	53	void
54	undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,	54	undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
55	unsigned migratetype);	55	unsigned migratetype);
56		56

 /*
  * 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;
 			continue;
 		unset_migratetype_isolate(page, migratetype);
 	}
-	return 0;
 }
 /*
  * Test all pages in the range is free(means isolated) or not.

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