linux-kernel - [PATCH] x86/mm: use PAGE_ALIGNED instead of IS

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Message-ID: <1452565170-11083-1-git-send-email-wangkefeng.wang@huawei.com>
Date:	Tue, 12 Jan 2016 10:19:30 +0800
From:	<wangkefeng.wang@...wei.com>
To:	Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>
CC:	Alexander Kuleshov <kuleshovmail@...il.com>,
	<guohanjun@...wei.com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86/mm: use PAGE_ALIGNED instead of IS_ALIGNED

From: Kefeng Wang <wangkefeng.wang@...wei.com>

Use PAGE_ALIGEND macro in <linux/mm.h> to simplify code.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 arch/x86/mm/init_64.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index ec081fe..8829482 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -814,8 +814,7 @@ remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
 		if (phys_addr < (phys_addr_t)0x40000000)
 			return;
 
-		if (IS_ALIGNED(addr, PAGE_SIZE) &&
-		    IS_ALIGNED(next, PAGE_SIZE)) {
+		if (PAGE_ALIGNED(addr) && PAGE_ALIGNED(next)) {
 			/*
 			 * Do not free direct mapping pages since they were
 			 * freed when offlining, or simplely not in use.
-- 
2.6.0.GIT