From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751265AbaABL0H (ORCPT ); Thu, 2 Jan 2014 06:26:07 -0500 Received: from mail-pd0-f171.google.com ([209.85.192.171]:40115 "EHLO mail-pd0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750746AbaABL0F (ORCPT ); Thu, 2 Jan 2014 06:26:05 -0500 From: SeongJae Park To: mgorman@suse.de, akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, SeongJae Park Subject: [PATCH] mm: page_alloc: use enum instead of number for migratetype Date: Thu, 2 Jan 2014 20:25:22 +0900 Message-Id: <1388661922-10957-1-git-send-email-sj38.park@gmail.com> X-Mailer: git-send-email 1.8.1.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Using enum instead of number for migratetype everywhere would be better for reading and understanding. Signed-off-by: SeongJae Park --- mm/page_alloc.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5bcbca5..08f6ed7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -646,7 +646,7 @@ static inline int free_pages_check(struct page *page) static void free_pcppages_bulk(struct zone *zone, int count, struct per_cpu_pages *pcp) { - int migratetype = 0; + int migratetype = MIGRATE_UNMOVABLE; int batch_free = 0; int to_free = count; @@ -667,7 +667,7 @@ static void free_pcppages_bulk(struct zone *zone, int count, do { batch_free++; if (++migratetype == MIGRATE_PCPTYPES) - migratetype = 0; + migratetype = MIGRATE_UNMOVABLE; list = &pcp->lists[migratetype]; } while (list_empty(list)); @@ -4158,7 +4158,9 @@ static void pageset_init(struct per_cpu_pageset *p) pcp = &p->pcp; pcp->count = 0; - for (migratetype = 0; migratetype < MIGRATE_PCPTYPES; migratetype++) + + for (migratetype = MIGRATE_UNMOVABLE; migratetype < MIGRATE_PCPTYPES; + migratetype++) INIT_LIST_HEAD(&pcp->lists[migratetype]); } -- 1.8.1.2