linux-kernel - [PATCH 06/12] mm: use for_each

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Date:   Mon,  9 Jul 2018 10:36:44 +0200
From:   Daniel Vetter <daniel.vetter@...ll.ch>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     DRI Development <dri-devel@...ts.freedesktop.org>,
        Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Mel Gorman <mgorman@...hsingularity.net>,
        David Rientjes <rientjes@...gle.com>,
        Kemi Wang <kemi.wang@...el.com>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        Petr Tesarik <ptesarik@...e.com>,
        YASUAKI ISHIMATSU <yasu.isimatu@...il.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Nikolay Borisov <nborisov@...e.com>, linux-mm@...ck.org
Subject: [PATCH 06/12] mm: use for_each_if

Avoids the inverted condition of the open-coded version.

Signed-off-by: Daniel Vetter <daniel.vetter@...el.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Michal Hocko <mhocko@...e.com>
Cc: Vlastimil Babka <vbabka@...e.cz>
Cc: Mel Gorman <mgorman@...hsingularity.net>
Cc: David Rientjes <rientjes@...gle.com>
Cc: Kemi Wang <kemi.wang@...el.com>
Cc: Pavel Tatashin <pasha.tatashin@...cle.com>
Cc: Petr Tesarik <ptesarik@...e.com>
Cc: YASUAKI ISHIMATSU <yasu.isimatu@...il.com>
Cc: Andrey Ryabinin <aryabinin@...tuozzo.com>
Cc: Nikolay Borisov <nborisov@...e.com>
Cc: linux-mm@...ck.org
---
 include/linux/mmzone.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 32699b2dc52a..1bd5f4c72c8b 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -940,9 +940,7 @@ extern struct zone *next_zone(struct zone *zone);
 	for (zone = (first_online_pgdat())->node_zones; \
 	     zone;					\
 	     zone = next_zone(zone))			\
-		if (!populated_zone(zone))		\
-			; /* do nothing */		\
-		else
+		for_each_if (populated_zone(zone))
 
 static inline struct zone *zonelist_zone(struct zoneref *zoneref)
 {
-- 
2.18.0