diff options
| author | Krishna Reddy <vdumpa@nvidia.com> | 2012-05-03 15:36:48 -0700 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-05-07 08:29:51 -0700 |
| commit | a3be04f0f9deefa1aef4bb89e7f5991816bb929a (patch) | |
| tree | ee7e903382b990f71c22c9fac589876168ee6338 /drivers/video/tegra/Kconfig | |
| parent | 56932bd20dbe4870bb380e7f6281596a75c66b7c (diff) | |
video: tegra: nvmap: config option to enable page pools.
Add config option to enable/disable nvmap page pools.
Change-Id: I873e81a675fecd768534d4ce03c2f8fdd3c6a063
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: http://git-master/r/100424
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Diffstat (limited to 'drivers/video/tegra/Kconfig')
| -rw-r--r-- | drivers/video/tegra/Kconfig | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/video/tegra/Kconfig b/drivers/video/tegra/Kconfig index 468a5566b667..59e27788680d 100644 --- a/drivers/video/tegra/Kconfig +++ b/drivers/video/tegra/Kconfig @@ -85,6 +85,22 @@ config NVMAP_CARVEOUT_COMPACTOR heap and retries the failed allocation. Say Y here to let nvmap to keep carveout fragmentation under control. +config NVMAP_PAGE_POOLS + bool "Use page pools to reduce allocation overhead" + depends on TEGRA_NVMAP + default y + help + say Y here to reduce the alloction overhead, which is significant + for uncached, writecombine and inner cacheable memories as it + involves changing page attributes during every allocation per page + and flushing cache. Alloc time is reduced by allcoating the pages + ahead and keeping them aside. The reserved pages would be released + when system is low on memory and acquired back during release of + memory. + +config NVMAP_PAGE_POOL_SIZE + hex + default 0x0 config NVMAP_VPR bool "Enable VPR Heap." |