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Message-Id: <1245210739-25699-2-git-send-email-tj@kernel.org>
Date: Wed, 17 Jun 2009 12:52:13 +0900
From: Tejun Heo <tj@...nel.org>
To: linux-kernel@...r.kernel.org, x86@...nel.org,
linux-arch@...r.kernel.org, mingo@...e.hu, JBeulich@...ell.com,
andi@...stfloor.org, hpa@...or.com, tglx@...utronix.de
Cc: Tejun Heo <tj@...nel.org>
Subject: [PATCH 1/7] x86: fix duplicate free in setup_pcpu_remap() failure path
In the failure path, setup_pcpu_remap() tries to free the area which
has already been freed to make holes in the large page. Fix it.
[ Impact: fix duplicate free in failure path ]
Signed-off-by: Tejun Heo <tj@...nel.org>
Cc: Ingo Molnar <mingo@...e.hu>
---
arch/x86/kernel/setup_percpu.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 9c3f082..dfbc7e6 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -228,7 +228,7 @@ static ssize_t __init setup_pcpu_remap(size_t static_size)
enomem:
for_each_possible_cpu(cpu)
if (pcpur_ptrs[cpu])
- free_bootmem(__pa(pcpur_ptrs[cpu]), PMD_SIZE);
+ free_bootmem(__pa(pcpur_ptrs[cpu]), pcpur_size);
ret = -ENOMEM;
out_free_ar:
free_bootmem(__pa(pcpur_ptrs), ptrs_size);
--
1.6.0.2
--
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