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Commit 309e4dbf authored by Waiman Long's avatar Waiman Long Committed by Greg Kroah-Hartman
Browse files

cpuset: Fix incorrect memory_pressure control file mapping 



commit 1c08c22c874ac88799cab1f78c40f46110274915 upstream.

The memory_pressure control file was incorrectly set up without
a private value (0, by default). As a result, this control
file was treated like memory_migrate on read. By adding back the
FILE_MEMORY_PRESSURE private value, the correct memory pressure value
will be returned.

Signed-off-by: default avatarWaiman Long <longman@redhat.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Fixes: 7dbdb199 ("cgroup: replace cftype->mode with CFTYPE_WORLD_WRITABLE")
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent da16ed52

kernel/cpuset.c

+1 −0
Original line number Diff line number Diff line
@@ -1905,6 +1905,7 @@ static struct cftype files[] = { 
	{

		.name = "memory_pressure",

		.read_u64 = cpuset_read_u64,

		.private = FILE_MEMORY_PRESSURE,

	},



	{