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-rw-r--r--Documentation/vm/page_owner.rst20
1 files changed, 15 insertions, 5 deletions
diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.rst
index 7e0c3f574e78..3102f91d635c 100644
--- a/Documentation/vm/page_owner.rst
+++ b/Documentation/vm/page_owner.rst
@@ -129,7 +129,6 @@ Usage
Specify culling rules.Culling syntax is key[,key[,...]].Choose a
multi-letter key from the **STANDARD FORMAT SPECIFIERS** section.
-
<rules> is a single argument in the form of a comma-separated list,
which offers a way to specify individual culling rules. The recognized
keywords are described in the **STANDARD FORMAT SPECIFIERS** section below.
@@ -137,7 +136,6 @@ Usage
the STANDARD SORT KEYS section below. Mixed use of abbreviated and
complete-form of keys is allowed.
-
Examples:
./page_owner_sort <input> <output> --cull=stacktrace
./page_owner_sort <input> <output> --cull=st,pid,name
@@ -147,9 +145,21 @@ Usage
-f Filter out the information of blocks whose memory has been released.
Select:
- --pid <PID> Select by pid.
- --tgid <TGID> Select by tgid.
- --name <command> Select by task command name.
+ --pid <pidlist> Select by pid. This selects the blocks whose process ID
+ numbers appear in <pidlist>.
+ --tgid <tgidlist> Select by tgid. This selects the blocks whose thread
+ group ID numbers appear in <tgidlist>.
+ --name <cmdlist> Select by task command name. This selects the blocks whose
+ task command name appear in <cmdlist>.
+
+ <pidlist>, <tgidlist>, <cmdlist> are single arguments in the form of a comma-separated list,
+ which offers a way to specify individual selecting rules.
+
+
+ Examples:
+ ./page_owner_sort <input> <output> --pid=1
+ ./page_owner_sort <input> <output> --tgid=1,2,3
+ ./page_owner_sort <input> <output> --name name1,name2
STANDARD FORMAT SPECIFIERS
==========================