Commit 773151dc authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Greg Kroah-Hartman
Browse files

ABI: sysfs-kernel-slab: Document some stats 



Document three slab stats that were added in 2011 and 2017.

Fixes: 49e22585 ("slub: per cpu cache for partial pages")
Fixes: 8eb8284b ("usercopy: Prepare for usercopy whitelisting")

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/8960435734c5aa918568ce7891171448c4d68709.1632750608.git.mchehab+huawei@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6abac1a8

Documentation/ABI/testing/sysfs-kernel-slab

+21 −0
Original line number Diff line number Diff line
@@ -496,3 +496,24 @@ Contact: Pekka Enberg <penberg@cs.helsinki.fi>, 
Description:

		Writing to the validate file causes SLUB to traverse all of its

		cache's objects and check the validity of metadata.



What:		/sys/kernel/slab/<cache>/usersize

Date:		Jun 2017

Contact:	David Windsor <dave@nullcore.net>

Description:

		The usersize file is read-only and contains the usercopy

		region size.



What:		/sys/kernel/slab/<cache>/slabs_cpu_partial

Date:		Aug 2011

Contact:	Christoph Lameter <cl@linux.com>

Description:

		This read-only file shows the number of partialli allocated

		frozen slabs.



What:		/sys/kernel/slab/<cache>/cpu_partial

Date:		Aug 2011

Contact:	Christoph Lameter <cl@linux.com>

Description:

		This read-only file shows the number of per cpu partial

		pages to keep around.