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-rw-r--r--init/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 32c24950c4ce..5e7d4885d1bf 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -629,6 +629,7 @@ config TASK_IO_ACCOUNTING
config PSI
bool "Pressure stall information tracking"
+ select KERNFS
help
Collect metrics that indicate how overcommitted the CPU, memory,
and IO capacity are in the system.
@@ -1771,6 +1772,16 @@ config RSEQ
If unsure, say Y.
+config CACHESTAT_SYSCALL
+ bool "Enable cachestat() system call" if EXPERT
+ default y
+ help
+ Enable the cachestat system call, which queries the page cache
+ statistics of a file (number of cached pages, dirty pages,
+ pages marked for writeback, (recently) evicted pages).
+
+ If unsure say Y here.
+
config DEBUG_RSEQ
default n
bool "Enabled debugging of rseq() system call" if EXPERT