[PATCH RFC 5/5] mm/ksm, proc: add remote madvise documentation
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STALE2706d
From: Oleksandr Natalenko <hidden>
Date: 2019-05-16 09:42:50
Also in:
linux-mm, lkml
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
Document respective /proc/<pid>/madvise knob. Signed-off-by: Oleksandr Natalenko <redacted> --- Documentation/filesystems/proc.txt | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 66cad5c86171..17106e435bba 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt@@ -45,6 +45,7 @@ Table of Contents 3.9 /proc/<pid>/map_files - Information about memory mapped files 3.10 /proc/<pid>/timerslack_ns - Task timerslack value 3.11 /proc/<pid>/patch_state - Livepatch patch operation state + 3.12 /proc/<pid>/madvise - Remote madvise 4 Configuring procfs 4.1 Mount options
@@ -1948,6 +1949,18 @@ patched. If the patch is being enabled, then the task has already been patched. If the patch is being disabled, then the task hasn't been unpatched yet. +3.12 /proc/<pid>/madvise - Remote madvise +-------------------------------------------- +This write-only file allows executing madvise operation for another task. + +If CONFIG_KSM is enabled, the following actions are available: + + * marking task's memory as mergeable: + # echo merge > /proc/<pid>/madvise + + * unmerging all the task's memory: + # echo unmerge > /proc/<pid>/madvise + ------------------------------------------------------------------------------ Configuring procfs
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2.21.0