summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
authorAlex Waterman <alexw@nvidia.com>2012-08-01 11:02:30 -0700
committerSimone Willett <swillett@nvidia.com>2012-08-15 12:49:57 -0700
commitce2daefbdf5eeb371e1aae15e6dc1928e2c1c627 (patch)
treebf5bcad37a081b9bfbb20cdfc64f93522eebc194 /include/linux
parent18156565232996364bbeef583db5fee07940ca7d (diff)
video: tegra: nvmap: Add support for zeroed pages
Add support to alloc zeroed pages for user space alloc requests. Also define a config option to force userspace allocation requests to be zeroed. Change-Id: I75d3b2bc36e808f1470b423578ec4cba99e0f967 Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: http://git-master/r/122549 Reviewed-by: Simone Willett <swillett@nvidia.com> Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/nvmap.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/nvmap.h b/include/linux/nvmap.h
index 553a7bd01a6d..692956b2fc4f 100644
--- a/include/linux/nvmap.h
+++ b/include/linux/nvmap.h
@@ -3,7 +3,7 @@
*
* structure declarations for nvmem and nvmap user-space ioctls
*
- * Copyright (c) 2009-2012, NVIDIA Corporation.
+ * Copyright (c) 2009-2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -49,6 +49,7 @@
#define NVMAP_HANDLE_CACHE_FLAG (0x3ul << 0)
#define NVMAP_HANDLE_SECURE (0x1ul << 2)
+#define NVMAP_HANDLE_ZEROED_PAGES (0x1ul << 3)
#if defined(__KERNEL__)