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-rw-r--r--init/Kconfig2
1 files changed, 2 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 14c483d2b7c..92d41060393 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -597,6 +597,8 @@ config CGROUP_MEM_RES_CTLR_SWAP
is disabled by boot option, this will be automatically disabled and
there will be no overhead from this. Even when you set this config=y,
if boot option "noswapaccount" is set, swap will not be accounted.
+ Now, memory usage of swap_cgroup is 2 bytes per entry. If swap page
+ size is 4096bytes, 512k per 1Gbytes of swap.
endif # CGROUPS