Re: [PATCH] fix cgroup procs documentation

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On Fri, 09 Apr 2010 11:22:00 +0800
Li Zefan <lizf@xxxxxxxxxxxxxx> wrote:

> KAMEZAWA Hiroyuki wrote:
> > 2.6.33's Documentation has the same wrong information. So, I CC'ed to stable.
> > If people believe this information, they'll usr cgroup.procs file and will
> > see cgroup doesn'w work as expected.
> > The patch itself is against -mm.
> > 
> > ==
> > Writing to cgroup.procs is not supported now.
> > 
> > Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> > ---
> >  Documentation/cgroups/cgroups.txt |    3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> > 
> > Index: mmotm-temp/Documentation/cgroups/cgroups.txt
> > ===================================================================
> > --- mmotm-temp.orig/Documentation/cgroups/cgroups.txt
> > +++ mmotm-temp/Documentation/cgroups/cgroups.txt
> > @@ -235,8 +235,7 @@ containing the following files describin
> >   - cgroup.procs: list of tgids in the cgroup.  This list is not
> >     guaranteed to be sorted or free of duplicate tgids, and userspace
> >     should sort/uniquify the list if this property is required.
> > -   Writing a tgid into this file moves all threads with that tgid into
> > -   this cgroup.
> > +   This is a read-only file, now.
> 
> I think the better wording is "for now". :)
> 
ok. BTW, does anyone work on this ?
==

Writing to cgroup.procs is not supported now.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
---
 Documentation/cgroups/cgroups.txt |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Index: mmotm-temp/Documentation/cgroups/cgroups.txt
===================================================================
--- mmotm-temp.orig/Documentation/cgroups/cgroups.txt
+++ mmotm-temp/Documentation/cgroups/cgroups.txt
@@ -235,8 +235,7 @@ containing the following files describin
  - cgroup.procs: list of tgids in the cgroup.  This list is not
    guaranteed to be sorted or free of duplicate tgids, and userspace
    should sort/uniquify the list if this property is required.
-   Writing a tgid into this file moves all threads with that tgid into
-   this cgroup.
+   This is a read-only file, for now.
  - notify_on_release flag: run the release agent on exit?
  - release_agent: the path to use for release notifications (this file
    exists in the top cgroup only)

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