lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Mon, 16 Jun 2014 10:12:33 -0400
From:	Tejun Heo <>
To:	Michal Hocko <>
Cc:	Johannes Weiner <>,
	Greg Thelen <>,
	Hugh Dickins <>,
	Andrew Morton <>,
	KAMEZAWA Hiroyuki <>,
	KOSAKI Motohiro <>,
	Michel Lespinasse <>,
	Roman Gushchin <>,,
	LKML <>,
	Li Zefan <>
Subject: Re: [PATCH 2/2] memcg: Allow guarantee reclaim

On Mon, Jun 16, 2014 at 04:04:48PM +0200, Michal Hocko wrote:
> > For whatever reason, a user is stuck with thread-level granularity for
> > controllers which work that way, the user can use the old hierarchies
> > for them for the time being.
> So he can mount memcg with new cgroup API and others with old?

Yes, you can read Documentation/cgroups/unified-hierarchy.txt for more
details.  I think I cc'd you when posting unified hierarchy patchset,
didn't I?

> > Nope, some changes don't fit that model.  CFTYPE_ON_ON_DFL is the
> > opposite. 
> OK, I wasn't aware of this. On which branch I find this?

They're all in the mainline now.

> > Knobs marked with the flag only appear on the default
> > hierarchy (cgroup core internally calls it the default hierarchy as
> > this is the tree all the controllers are attached to by default).
> I am not sure I understand. So they are visible only in the hierarchy
> mounted with the new cgroup API (sane or how is it called)?



To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists