From: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Subject: mm, compaction: rename map_pages to split_map_pages It's non-obvious that high-order free pages are split into order-0 pages from the function name. Fix it. Link: http://lkml.kernel.org/r/20190118175136.31341-6-mgorman@xxxxxxxxxxxxxxxxxxx Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Cc: David Rientjes <rientjes@xxxxxxxxxx> Cc: YueHaibing <yuehaibing@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/compaction.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/mm/compaction.c~mm-compaction-rename-map_pages-to-split_map_pages +++ a/mm/compaction.c @@ -66,7 +66,7 @@ static unsigned long release_freepages(s return high_pfn; } -static void map_pages(struct list_head *list) +static void split_map_pages(struct list_head *list) { unsigned int i, order, nr_pages; struct page *page, *next; @@ -644,7 +644,7 @@ isolate_freepages_range(struct compact_c } /* __isolate_free_page() does not map the pages */ - map_pages(&freelist); + split_map_pages(&freelist); if (pfn < end_pfn) { /* Loop terminated early, cleanup. */ @@ -1141,7 +1141,7 @@ static void isolate_freepages(struct com } /* __isolate_free_page() does not map the pages */ - map_pages(freelist); + split_map_pages(freelist); /* * Record where the free scanner will restart next time. Either we _
