diff options
Diffstat (limited to 'drivers/video/tegra/Kconfig')
| -rw-r--r-- | drivers/video/tegra/Kconfig | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/video/tegra/Kconfig b/drivers/video/tegra/Kconfig index 7de26267155e..59e27788680d 100644 --- a/drivers/video/tegra/Kconfig +++ b/drivers/video/tegra/Kconfig @@ -53,7 +53,7 @@ config NVMAP_RECLAIM_UNPINNED_VM config NVMAP_ALLOW_SYSMEM bool "Allow physical system memory to be used by nvmap" depends on TEGRA_NVMAP - default y + default n help Say Y here to allow nvmap to use physical system memory (i.e., shared with the operating system but not translated through @@ -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." |