linux-kernel - [tip:x86/urgent] x86/mm: Use PAGE_ALIGNED instead of IS

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Message-ID: <tip-b500f77baea576b74c3961613b67eaffcdf65c57@git.kernel.org>
Date:	Tue, 12 Jan 2016 02:25:27 -0800
From:	tip-bot for Kefeng Wang <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	hpa@...or.com, tglx@...utronix.de, wangkefeng.wang@...wei.com,
	torvalds@...ux-foundation.org, peterz@...radead.org,
	guohanjun@...wei.com, kuleshovmail@...il.com, mingo@...nel.org,
	linux-kernel@...r.kernel.org
Subject: [tip:x86/urgent] x86/mm: Use PAGE_ALIGNED instead of IS_ALIGNED

Commit-ID:  b500f77baea576b74c3961613b67eaffcdf65c57
Gitweb:     http://git.kernel.org/tip/b500f77baea576b74c3961613b67eaffcdf65c57
Author:     Kefeng Wang <wangkefeng.wang@...wei.com>
AuthorDate: Tue, 12 Jan 2016 10:19:30 +0800
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 12 Jan 2016 11:09:48 +0100

x86/mm: Use PAGE_ALIGNED instead of IS_ALIGNED

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

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
Cc: <guohanjun@...wei.com>
Cc: Alexander Kuleshov <kuleshovmail@...il.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1452565170-11083-1-git-send-email-wangkefeng.wang@huawei.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 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.