[PATCH 07/18] Configuration menu for Huge Page Cache
From: Radosław Smogura <hidden>
Date: 2012-02-16 14:32:54
Also in:
linux-ext4
Subsystem:
memory management, memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
Just, adds config options for enabling huge page cache and enabling it in shmfs (tmpfs). Signed-off-by: RadosA?aw Smogura <redacted> --- init/Kconfig | 6 ++++++ mm/Kconfig | 11 +++++++++++ 2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/init/Kconfig b/init/Kconfig
index 3f42cd6..a58b622 100644
--- a/init/Kconfig
+++ b/init/Kconfig@@ -1135,6 +1135,12 @@ config SHMEM option replaces shmem and tmpfs with the much simpler ramfs code, which may be appropriate on small systems without swap. +config SHMEM_HUGEPAGECACHE + bool "Allow usage of transparent huge pages" + depends on HUGEPAGECACHE && SHMEM + help + This allows usage of huge pages in shmfs (tmpfs) + config AIO bool "Enable AIO support" if EXPERT default y
diff --git a/mm/Kconfig b/mm/Kconfig
index e338407..494122d 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig@@ -349,6 +349,17 @@ choice benefit. endchoice +config HUGEPAGECACHE + bool "Support for huge pages in page cache" + depends on TRANSPARENT_HUGEPAGE + select COMPACTION + help + Huge pages in page cache allows to transaprently use huge + pages in file maped regions. This options just exports + required interfaces, You will need to enable support + for Huge Page Cache for particullar filesystems. + Currently only shmfs supports huge pages in page cache. + # # UP and nommu archs use km based percpu allocator #
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1.7.3.4
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