From: ye xingchen <ye.xingchen@xxxxxxxxxx> Sometimes we may need the /sys/kernel/mm/transparent_hugepage/enabled to default as [never] at the first time. Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx> --- mm/Kconfig | 5 +++++ mm/huge_memory.c | 2 ++ 2 files changed, 7 insertions(+) diff --git a/mm/Kconfig b/mm/Kconfig index ff7b209dec05..ded8c1da6267 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -797,6 +797,11 @@ choice madvise(MADV_HUGEPAGE) but it won't risk to increase the memory footprint of applications without a guaranteed benefit. + + config TRANSPARENT_HUGEPAGE_NEVER + bool "never" + help + Disabling Transparent Hugepage. endchoice config THP_SWAP diff --git a/mm/huge_memory.c b/mm/huge_memory.c index c0c57828110d..3571417aa70a 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -60,6 +60,8 @@ unsigned long transparent_hugepage_flags __read_mostly = #endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE_MADVISE (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG)| +#endif +#ifdef CONFIG_TRANSPARENT_HUGEPAGE_NEVER #endif (1<<TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG)| (1<<TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG)| -- 2.25.1
