Document three slab stats that were added in 2011 and 2017.
Fixes: 49e2258586b4 ("slub: per cpu cache for partial pages")
Fixes: 8eb8284b4129 ("usercopy: Prepare for usercopy whitelisting")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
See [PATCH 00/17] at: https://lore.kernel.org/all/cover.1632750608.git.mchehab+huawei@xxxxxxxxxx/
Documentation/ABI/testing/sysfs-kernel-slab | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-kernel-slab b/Documentation/ABI/testing/sysfs-kernel-slab
index 77e5840b00a5..c440f4946e12 100644
--- a/Documentation/ABI/testing/sysfs-kernel-slab
+++ b/Documentation/ABI/testing/sysfs-kernel-slab
@@ -496,3 +496,24 @@ Contact: Pekka Enberg <penberg@xxxxxxxxxxxxxx>,
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@xxxxxxxxxxxx>
+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@xxxxxxxxx>
+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@xxxxxxxxx>
+Description:
+ This read-only file shows the number of per cpu partial
+ pages to keep around.
--
2.31.1
