linux-kernel - [PATCH 05/22] mm, compaction: Rename map_pages to split_map

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Message-Id: <20190118175136.31341-6-mgorman@techsingularity.net>
Date:   Fri, 18 Jan 2019 17:51:19 +0000
From:   Mel Gorman <mgorman@...hsingularity.net>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     David Rientjes <rientjes@...gle.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        Mel Gorman <mgorman@...hsingularity.net>
Subject: [PATCH 05/22] 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.

Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
Acked-by: Vlastimil Babka <vbabka@...e.cz>
---
 mm/compaction.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index 163841e1b167..32a88b49f973 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -66,7 +66,7 @@ static unsigned long release_freepages(struct list_head *freelist)
 	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_control *cc,
 	}
 
 	/* __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 compact_control *cc)
 	}
 
 	/* __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
-- 
2.16.4