From: Liu Yuan <tailai.ly@xxxxxxxxxx> Signed-off-by: Liu Yuan <tailai.ly@xxxxxxxxxx> --- arch/x86/Kconfig.debug | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 615e188..f29e32d 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -304,4 +304,13 @@ config DEBUG_STRICT_USER_COPY_CHECKS If unsure, or if you run an older (pre 4.4) gcc, say N. +config PAGE_CACHE_ACCT + bool "Page cache accounting" + ---help--- + Enabling this options to account for page cache hit/missed number of + times. This would allow user space applications get better knowledge + of underlying page cache system by reading virtual file. The statitics + per partition are collected. + + If unsure, say N. endmenu -- 1.7.0.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>