linux-kernel - [PATCH 09/22] mm, page_alloc: Convert nr_fair

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Message-Id: <1460362424-26369-10-git-send-email-mgorman@techsingularity.net>
Date:	Mon, 11 Apr 2016 09:13:32 +0100
From:	Mel Gorman <mgorman@...hsingularity.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Vlastimil Babka <vbabka@...e.cz>, Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mel Gorman <mgorman@...hsingularity.net>
Subject: [PATCH 09/22] mm, page_alloc: Convert nr_fair_skipped to bool

The number of zones skipped to a zone expiring its fair zone allocation quota
is irrelevant. Convert to bool.

Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
---
 mm/page_alloc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4bce6298dd07..e778485a64c1 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2677,7 +2677,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags,
 	struct zoneref *z;
 	struct page *page = NULL;
 	struct zone *zone;
-	int nr_fair_skipped = 0;
+	bool fair_skipped;
 	bool zonelist_rescan;
 
 zonelist_scan:
@@ -2705,7 +2705,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags,
 			if (!zone_local(ac->preferred_zone, zone))
 				break;
 			if (test_bit(ZONE_FAIR_DEPLETED, &zone->flags)) {
-				nr_fair_skipped++;
+				fair_skipped = true;
 				continue;
 			}
 		}
@@ -2798,7 +2798,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags,
 	 */
 	if (alloc_flags & ALLOC_FAIR) {
 		alloc_flags &= ~ALLOC_FAIR;
-		if (nr_fair_skipped) {
+		if (fair_skipped) {
 			zonelist_rescan = true;
 			reset_alloc_batches(ac->preferred_zone);
 		}
-- 
2.6.4