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Date: Wed, 8 Sep 2021 16:58:54 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>,
Greg KH <gregkh@...uxfoundation.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
"Jonathan Corbet" <corbet@....net>,
Cezary Rojewski <cezary.rojewski@...el.com>,
Oded Gabbay <oded.gabbay@...il.com>,
Suzuki K Poulose <suzuki.poulose@....com>,
linux-kernel@...r.kernel.org
Subject: [PATCH 7/9] ABI: sysfs-kernel-slab: use a wildcard for the cache name
the "cache" part of the description is actually a wildcard,
as, in practice, this will use per-subsystem names:
/sys/kernel/slab/Acpi-Namespace/align
/sys/kernel/slab/Acpi-Operand/align
/sys/kernel/slab/Acpi-Parse/align
...
/sys/kernel/slab/zswap_entry/align
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
Documentation/ABI/testing/sysfs-kernel-slab | 94 ++++++++++-----------
1 file changed, 47 insertions(+), 47 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-kernel-slab b/Documentation/ABI/testing/sysfs-kernel-slab
index c9f12baf8baa..77e5840b00a5 100644
--- a/Documentation/ABI/testing/sysfs-kernel-slab
+++ b/Documentation/ABI/testing/sysfs-kernel-slab
@@ -10,7 +10,7 @@ Description:
any cache it aliases, if any).
Users: kernel memory tuning tools
-What: /sys/kernel/slab/cache/aliases
+What: /sys/kernel/slab/<cache>/aliases
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -19,7 +19,7 @@ Description:
The aliases file is read-only and specifies how many caches
have merged into this cache.
-What: /sys/kernel/slab/cache/align
+What: /sys/kernel/slab/<cache>/align
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -28,7 +28,7 @@ Description:
The align file is read-only and specifies the cache's object
alignment in bytes.
-What: /sys/kernel/slab/cache/alloc_calls
+What: /sys/kernel/slab/<cache>/alloc_calls
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -39,7 +39,7 @@ Description:
The alloc_calls file only contains information if debugging is
enabled for that cache (see Documentation/vm/slub.rst).
-What: /sys/kernel/slab/cache/alloc_fastpath
+What: /sys/kernel/slab/<cache>/alloc_fastpath
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -50,7 +50,7 @@ Description:
current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/alloc_from_partial
+What: /sys/kernel/slab/<cache>/alloc_from_partial
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -62,7 +62,7 @@ Description:
count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/alloc_refill
+What: /sys/kernel/slab/<cache>/alloc_refill
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -73,7 +73,7 @@ Description:
remote cpu frees. It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/alloc_slab
+What: /sys/kernel/slab/<cache>/alloc_slab
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -84,7 +84,7 @@ Description:
clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/alloc_slowpath
+What: /sys/kernel/slab/<cache>/alloc_slowpath
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -96,7 +96,7 @@ Description:
clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/cache_dma
+What: /sys/kernel/slab/<cache>/cache_dma
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -106,7 +106,7 @@ Description:
are from ZONE_DMA.
Available when CONFIG_ZONE_DMA is enabled.
-What: /sys/kernel/slab/cache/cpu_slabs
+What: /sys/kernel/slab/<cache>/cpu_slabs
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -115,7 +115,7 @@ Description:
The cpu_slabs file is read-only and displays how many cpu slabs
are active and their NUMA locality.
-What: /sys/kernel/slab/cache/cpuslab_flush
+What: /sys/kernel/slab/<cache>/cpuslab_flush
Date: April 2009
KernelVersion: 2.6.31
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -128,7 +128,7 @@ Description:
current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/ctor
+What: /sys/kernel/slab/<cache>/ctor
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -138,7 +138,7 @@ Description:
constructor function, which is invoked for each object when a
new slab is allocated.
-What: /sys/kernel/slab/cache/deactivate_empty
+What: /sys/kernel/slab/<cache>/deactivate_empty
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -148,7 +148,7 @@ Description:
was deactivated. It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/deactivate_full
+What: /sys/kernel/slab/<cache>/deactivate_full
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -158,7 +158,7 @@ Description:
was deactivated. It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/deactivate_remote_frees
+What: /sys/kernel/slab/<cache>/deactivate_remote_frees
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -169,7 +169,7 @@ Description:
remotely. It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/deactivate_to_head
+What: /sys/kernel/slab/<cache>/deactivate_to_head
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -180,7 +180,7 @@ Description:
list. It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/deactivate_to_tail
+What: /sys/kernel/slab/<cache>/deactivate_to_tail
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -191,7 +191,7 @@ Description:
list. It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/destroy_by_rcu
+What: /sys/kernel/slab/<cache>/destroy_by_rcu
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -200,7 +200,7 @@ Description:
The destroy_by_rcu file is read-only and specifies whether
slabs (not objects) are freed by rcu.
-What: /sys/kernel/slab/cache/free_add_partial
+What: /sys/kernel/slab/<cache>/free_add_partial
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -211,7 +211,7 @@ Description:
partial list. It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/free_calls
+What: /sys/kernel/slab/<cache>/free_calls
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -221,7 +221,7 @@ Description:
object frees if slab debugging is enabled (see
Documentation/vm/slub.rst).
-What: /sys/kernel/slab/cache/free_fastpath
+What: /sys/kernel/slab/<cache>/free_fastpath
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -232,7 +232,7 @@ Description:
It can be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/free_frozen
+What: /sys/kernel/slab/<cache>/free_frozen
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -243,7 +243,7 @@ Description:
clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/free_remove_partial
+What: /sys/kernel/slab/<cache>/free_remove_partial
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -255,7 +255,7 @@ Description:
count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/free_slab
+What: /sys/kernel/slab/<cache>/free_slab
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -266,7 +266,7 @@ Description:
the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/free_slowpath
+What: /sys/kernel/slab/<cache>/free_slowpath
Date: February 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -277,7 +277,7 @@ Description:
be written to clear the current count.
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/hwcache_align
+What: /sys/kernel/slab/<cache>/hwcache_align
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -286,7 +286,7 @@ Description:
The hwcache_align file is read-only and specifies whether
objects are aligned on cachelines.
-What: /sys/kernel/slab/cache/min_partial
+What: /sys/kernel/slab/<cache>/min_partial
Date: February 2009
KernelVersion: 2.6.30
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -297,7 +297,7 @@ Description:
allocating new slabs. Such slabs may be reclaimed by utilizing
the shrink file.
-What: /sys/kernel/slab/cache/object_size
+What: /sys/kernel/slab/<cache>/object_size
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -306,7 +306,7 @@ Description:
The object_size file is read-only and specifies the cache's
object size.
-What: /sys/kernel/slab/cache/objects
+What: /sys/kernel/slab/<cache>/objects
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -315,7 +315,7 @@ Description:
The objects file is read-only and displays how many objects are
active and from which nodes they are from.
-What: /sys/kernel/slab/cache/objects_partial
+What: /sys/kernel/slab/<cache>/objects_partial
Date: April 2008
KernelVersion: 2.6.26
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -325,7 +325,7 @@ Description:
objects are on partial slabs and from which nodes they are
from.
-What: /sys/kernel/slab/cache/objs_per_slab
+What: /sys/kernel/slab/<cache>/objs_per_slab
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -333,9 +333,9 @@ Contact: Pekka Enberg <penberg@...helsinki.fi>,
Description:
The file objs_per_slab is read-only and specifies how many
objects may be allocated from a single slab of the order
- specified in /sys/kernel/slab/cache/order.
+ specified in /sys/kernel/slab/<cache>/order.
-What: /sys/kernel/slab/cache/order
+What: /sys/kernel/slab/<cache>/order
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -352,7 +352,7 @@ Description:
order is used and this sysfs entry can not be used to change
the order at run time.
-What: /sys/kernel/slab/cache/order_fallback
+What: /sys/kernel/slab/<cache>/order_fallback
Date: April 2008
KernelVersion: 2.6.26
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -365,7 +365,7 @@ Description:
Available when CONFIG_SLUB_STATS is enabled.
-What: /sys/kernel/slab/cache/partial
+What: /sys/kernel/slab/<cache>/partial
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -374,7 +374,7 @@ Description:
The partial file is read-only and displays how long many
partial slabs there are and how long each node's list is.
-What: /sys/kernel/slab/cache/poison
+What: /sys/kernel/slab/<cache>/poison
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -383,7 +383,7 @@ Description:
The poison file specifies whether objects should be poisoned
when a new slab is allocated.
-What: /sys/kernel/slab/cache/reclaim_account
+What: /sys/kernel/slab/<cache>/reclaim_account
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -392,7 +392,7 @@ Description:
The reclaim_account file specifies whether the cache's objects
are reclaimable (and grouped by their mobility).
-What: /sys/kernel/slab/cache/red_zone
+What: /sys/kernel/slab/<cache>/red_zone
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -401,7 +401,7 @@ Description:
The red_zone file specifies whether the cache's objects are red
zoned.
-What: /sys/kernel/slab/cache/remote_node_defrag_ratio
+What: /sys/kernel/slab/<cache>/remote_node_defrag_ratio
Date: January 2008
KernelVersion: 2.6.25
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -415,7 +415,7 @@ Description:
Available when CONFIG_NUMA is enabled.
-What: /sys/kernel/slab/cache/sanity_checks
+What: /sys/kernel/slab/<cache>/sanity_checks
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -426,7 +426,7 @@ Description:
checks. Caches that enable sanity_checks cannot be merged with
caches that do not.
-What: /sys/kernel/slab/cache/shrink
+What: /sys/kernel/slab/<cache>/shrink
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -442,7 +442,7 @@ Description:
adversely impact other running applications. So it
should be used with care.
-What: /sys/kernel/slab/cache/slab_size
+What: /sys/kernel/slab/<cache>/slab_size
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -451,7 +451,7 @@ Description:
The slab_size file is read-only and specifies the object size
with metadata (debugging information and alignment) in bytes.
-What: /sys/kernel/slab/cache/slabs
+What: /sys/kernel/slab/<cache>/slabs
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -461,7 +461,7 @@ Description:
there are (both cpu and partial) and from which nodes they are
from.
-What: /sys/kernel/slab/cache/store_user
+What: /sys/kernel/slab/<cache>/store_user
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -470,7 +470,7 @@ Description:
The store_user file specifies whether the location of
allocation or free should be tracked for a cache.
-What: /sys/kernel/slab/cache/total_objects
+What: /sys/kernel/slab/<cache>/total_objects
Date: April 2008
KernelVersion: 2.6.26
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -479,7 +479,7 @@ Description:
The total_objects file is read-only and displays how many total
objects a cache has and from which nodes they are from.
-What: /sys/kernel/slab/cache/trace
+What: /sys/kernel/slab/<cache>/trace
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
@@ -488,7 +488,7 @@ Description:
The trace file specifies whether object allocations and frees
should be traced.
-What: /sys/kernel/slab/cache/validate
+What: /sys/kernel/slab/<cache>/validate
Date: May 2007
KernelVersion: 2.6.22
Contact: Pekka Enberg <penberg@...helsinki.fi>,
--
2.31.1
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