linux-kernel - [PATCH] mm, vmscan: remove highmem_file

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Date:	Mon, 25 Jul 2016 10:23:24 +0100
From:	Mel Gorman <mgorman@...hsingularity.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Minchan Kim <minchan@...nel.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.cz>,
	Vlastimil Babka <vbabka@...e.cz>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] mm, vmscan: remove highmem_file_pages -fix

The wrong stat is being accumulatedin highmem_dirtyable_memory, fix it.

This is a fix to the mmotm patch mm-vmscan-remove-highmem_file_pages.patch

Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
---
 mm/page-writeback.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 7e9061ec040b..f4cd7d8005c9 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -322,8 +322,8 @@ static unsigned long highmem_dirtyable_memory(unsigned long total)
 			nr_pages = zone_page_state(z, NR_FREE_PAGES);
 			/* watch for underflows */
 			nr_pages -= min(nr_pages, high_wmark_pages(z));
-			nr_pages += zone_page_state(z, NR_INACTIVE_FILE);
-			nr_pages += zone_page_state(z, NR_ACTIVE_FILE);
+			nr_pages += zone_page_state(z, NR_ZONE_INACTIVE_FILE);
+			nr_pages += zone_page_state(z, NR_ZONE_ACTIVE_FILE);
 			x += nr_pages;
 		}
 	}