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

include/linux/page-isolation.h +1 −1
mm/page_isolation.c +1 −2

include/linux/page-isolation.h+1−1

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

mm/page_isolation.c+1−2

@@ -230,7 +230,7 @@ undo: · 229 unmodified lines
230	230	/*
231	231	* Make isolated pages available again.
232	232	*/
233		−int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
	233	+void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
234	234	unsigned migratetype)
235	235	{
236	236	unsigned long pfn;
@@ -247,7 +247,6 @@ int undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn, · 10 unmodified lines
247	247	continue;
248	248	unset_migratetype_isolate(page, migratetype);
249	249	}
250		− return 0;
251	250	}
252	251	/*
253	252	* Test all pages in the range is free(means isolated) or not.