From 90630157c307190334423c0b22c1bcb530b0d6be Mon Sep 17 00:00:00 2001 From: Andrea Arcangeli Date: Thu, 13 Jan 2011 15:46:39 -0800 Subject: [PATCH] --- yaml --- r: 230756 b: refs/heads/master c: 4c76d9d1fb9b21fa10c9e4c1fab2875018a88aa1 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/mm/Kconfig | 14 ++++++++++++++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index edcef0fa5fc2..206999cb3674 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 59ff421631295cd54dbf75dcc53d27e84af6d9c0 +refs/heads/master: 4c76d9d1fb9b21fa10c9e4c1fab2875018a88aa1 diff --git a/trunk/mm/Kconfig b/trunk/mm/Kconfig index c2c8a4a11898..3982be2d721a 100644 --- a/trunk/mm/Kconfig +++ b/trunk/mm/Kconfig @@ -302,6 +302,20 @@ config NOMMU_INITIAL_TRIM_EXCESS See Documentation/nommu-mmap.txt for more information. +config TRANSPARENT_HUGEPAGE + bool "Transparent Hugepage Support" if EMBEDDED + depends on X86_64 && MMU + default y + help + Transparent Hugepages allows the kernel to use huge pages and + huge tlb transparently to the applications whenever possible. + This feature can improve computing performance to certain + applications by speeding up page faults during memory + allocation, by reducing the number of tlb misses and by speeding + up the pagetable walking. + + If memory constrained on embedded, you may want to say N. + # # UP and nommu archs use km based percpu allocator #