linux-kernel - mm: fix faulty initialization in vmalloc

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Message-id: <001c01cd3987$d1a71a50$74f54ef0$%cho@samsung.com>
Date:	Thu, 24 May 2012 17:32:56 +0900
From:	KyongHo <pullip.cho@...sung.com>
To:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:	'Andrew Morton' <akpm@...ux-foundation.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org
Subject: mm: fix faulty initialization in vmalloc_init()

vmalloc_init() adds 'vmap_area's for early 'vm_struct's.
This patch fixes vmalloc_init() to correctly initialize
vmap_area for the given vm_struct.

Signed-off-by: KyongHo Cho <pullip.cho@...sung.com>
---
 mm/vmalloc.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 94dff88..1196c77 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1185,9 +1185,10 @@ void __init vmalloc_init(void)
 	/* Import existing vmlist entries. */
 	for (tmp = vmlist; tmp; tmp = tmp->next) {
 		va = kzalloc(sizeof(struct vmap_area), GFP_NOWAIT);
-		va->flags = tmp->flags | VM_VM_AREA;
+		va->flags = VM_VM_AREA;
 		va->va_start = (unsigned long)tmp->addr;
 		va->va_end = va->va_start + tmp->size;
+		va->vm = tmp;
 		__insert_vmap_area(va);
 	}
 
-- 
1.7.1


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