linux-kernel - [PATCH] KEXEC: Get rid of duplicate check for hole

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Date:	Wed, 30 Jan 2013 09:33:44 +0800
From:	Zhang Yanfei <zhangyanfei@...fujitsu.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] KEXEC: Get rid of duplicate check for hole_end

hole_end has been checked to make sure it is <= crash_res.end in the
while condition check, so the if condition check is duplicate.

Signed-off-by: Zhang Yanfei <zhangyanfei@...fujitsu.com>
---
 kernel/kexec.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/kernel/kexec.c b/kernel/kexec.c
index 5e4bd78..c2826fc 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -497,8 +497,6 @@ static struct page *kimage_alloc_crash_control_pages(struct kimage *image,
 
 		if (hole_end > KEXEC_CRASH_CONTROL_MEMORY_LIMIT)
 			break;
-		if (hole_end > crashk_res.end)
-			break;
 		/* See if I overlap any of the segments */
 		for (i = 0; i < image->nr_segments; i++) {
 			unsigned long mstart, mend;
-- 
1.7.1
--
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