From 5ed1c328ea077d70e1ebcd5188dc77cdc754df3a Mon Sep 17 00:00:00 2001
From: KyongHo Cho <pullip.cho@samsung.com>
Date: Thu, 5 Feb 2015 02:52:42 -0300
Subject: [PATCH] [media] v4l: vb2-memops: use vma slab when vma allocation

The slab for vm_area_struct which is vm_area_cachep is already prepared
for the general use. Instead of kmalloc() for the vma copy for userptr,
allocation from vm_area_cachep is more beneficial.

CC: Hans Verkuil <hans.verkuil@cisco.com>
CC: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Reading git-format-patch failed