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From: Sultan Alsawaf <sultan@kerneltoast.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "Joel Fernandes" <joel@joelfernandes.org>,
	"Tim Murray" <timmurray@google.com>,
	"Michal Hocko" <mhocko@kernel.org>,
	"Suren Baghdasaryan" <surenb@google.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Arve Hjønnevåg" <arve@android.com>,
	"Todd Kjos" <tkjos@android.com>,
	"Martijn Coenen" <maco@android.com>,
	"Christian Brauner" <christian@brauner.io>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Peter Zijlstra" <peterz@infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"open list:ANDROID DRIVERS" <devel@driverdev.osuosl.org>,
	linux-mm <linux-mm@kvack.org>,
	kernel-team <kernel-team@android.com>
Subject: Re: [RFC] simple_lmk: Introduce Simple Low Memory Killer for Android
Date: Thu, 14 Mar 2019 20:45:02 -0700	[thread overview]
Message-ID: <20190315034502.GB3171@sultan-box.localdomain> (raw)
In-Reply-To: <20190314231641.5a37932b@oasis.local.home>

On Thu, Mar 14, 2019 at 11:16:41PM -0400, Steven Rostedt wrote:
> How would you implement such a method in userspace? kill() doesn't take
> any parameters but the pid of the process you want to send a signal to,
> and the signal to send. This would require a new system call, and be
> quite a bit of work. If you can solve this with an ebpf program, I
> strongly suggest you do that instead.

This can be done by introducing a new signal number that provides SIGKILL
functionality while blocking (maybe SIGKILLBLOCK?).

Thanks,
Sultan

  reply	other threads:[~2019-03-15  3:45 UTC|newest]

Thread overview: 125+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-10 20:34 [RFC] simple_lmk: Introduce Simple Low Memory Killer for Android Sultan Alsawaf
2019-03-10 20:34 ` Sultan Alsawaf
2019-03-10 21:03 ` Greg Kroah-Hartman
2019-03-10 21:26   ` Sultan Alsawaf
2019-03-11 16:32 ` Joel Fernandes
2019-03-11 16:37   ` Joel Fernandes
2019-03-11 17:43 ` Michal Hocko
2019-03-11 17:58   ` Sultan Alsawaf
2019-03-11 20:10     ` Suren Baghdasaryan
2019-03-11 20:46       ` Sultan Alsawaf
2019-03-11 21:11         ` Joel Fernandes
2019-03-11 21:46           ` Sultan Alsawaf
2019-03-11 22:15         ` Suren Baghdasaryan
2019-03-11 22:36           ` Sultan Alsawaf
2019-03-12  8:05           ` Michal Hocko
2019-03-12 14:36             ` Suren Baghdasaryan
2019-03-12 15:25             ` Matthew Wilcox
2019-03-12 15:33               ` Michal Hocko
2019-03-12 15:39                 ` Michal Hocko
2019-03-12 16:37             ` Sultan Alsawaf
2019-03-12 16:48               ` Michal Hocko
2019-03-12 16:58               ` Michal Hocko
2019-03-12 17:15                 ` Suren Baghdasaryan
2019-03-12 17:17               ` Tim Murray
2019-03-12 17:45                 ` Sultan Alsawaf
2019-03-12 18:43                   ` Tim Murray
2019-03-12 18:50                     ` Christian Brauner
2019-03-14 17:47                 ` Joel Fernandes
2019-03-14 20:49                   ` Sultan Alsawaf
2019-03-15  2:54                     ` Joel Fernandes
2019-03-15  3:43                       ` Sultan Alsawaf
2019-03-15  3:16                     ` Steven Rostedt
2019-03-15  3:45                       ` Sultan Alsawaf [this message]
2019-03-15  4:36                       ` Daniel Colascione
2019-03-15 13:36                         ` Joel Fernandes
2019-03-15 15:56                         ` Suren Baghdasaryan
2019-03-15 16:12                           ` Daniel Colascione
2019-03-15 16:43                         ` Steven Rostedt
2019-03-15 17:17                           ` Daniel Colascione
2019-03-15 18:03                         ` Christian Brauner
2019-03-15 18:13                           ` Joel Fernandes
2019-03-15 18:24                             ` Christian Brauner
2019-03-15 18:49                               ` Joel Fernandes
2019-03-16 17:31                                 ` Suren Baghdasaryan
2019-03-16 18:00                                   ` Daniel Colascione
2019-03-16 18:57                                     ` Christian Brauner
2019-03-16 19:37                                       ` Suren Baghdasaryan
2019-03-17  1:53                                         ` Joel Fernandes
2019-03-17 11:42                                           ` Christian Brauner
2019-03-17 15:40                                             ` Daniel Colascione
2019-03-18  0:29                                               ` Christian Brauner
2019-03-18 23:50                                                 ` Joel Fernandes
2019-03-19 22:14                                                   ` Christian Brauner
2019-03-19 22:26                                                     ` Joel Fernandes
2019-03-19 22:48                                                     ` Daniel Colascione
2019-03-19 23:10                                                       ` Christian Brauner
2019-03-20  1:52                                                         ` Joel Fernandes
2019-03-20  2:42                                                           ` pidfd design Daniel Colascione
2019-03-20  3:59                                                             ` Christian Brauner
2019-03-20  7:02                                                               ` Daniel Colascione
2019-03-20 11:33                                                                 ` Joel Fernandes
2019-03-20 11:33                                                                   ` Joel Fernandes
2019-03-20 18:26                                                                   ` Christian Brauner
2019-03-20 18:38                                                                     ` Daniel Colascione
2019-03-20 18:51                                                                       ` Christian Brauner
2019-03-20 18:58                                                                         ` Andy Lutomirski
2019-03-20 19:14                                                                           ` Christian Brauner
2019-03-20 19:40                                                                             ` Daniel Colascione
2019-03-21 17:02                                                                               ` Andy Lutomirski
2019-03-25 20:13                                                                                 ` Jann Horn
2019-03-25 20:13                                                                                   ` Jann Horn
2019-03-25 20:23                                                                                   ` Daniel Colascione
2019-03-25 20:23                                                                                     ` Daniel Colascione
2019-03-25 23:42                                                                                     ` Andy Lutomirski
2019-03-25 23:42                                                                                       ` Andy Lutomirski
2019-03-25 23:45                                                                                       ` Christian Brauner
2019-03-25 23:45                                                                                         ` Christian Brauner
2019-03-26  0:00                                                                                         ` Andy Lutomirski
2019-03-26  0:00                                                                                           ` Andy Lutomirski
2019-03-26  0:12                                                                                           ` Christian Brauner
2019-03-26  0:12                                                                                             ` Christian Brauner
2019-03-26  0:24                                                                                             ` Andy Lutomirski
2019-03-26  0:24                                                                                               ` Andy Lutomirski
2019-03-28  9:21                                                                                               ` Christian Brauner
2019-03-28  9:21                                                                                                 ` Christian Brauner
2019-03-20 19:19                                                                         ` Joel Fernandes
2019-03-20 19:29                                                                         ` Daniel Colascione
2019-03-24 14:44                                                                           ` Serge E. Hallyn
2019-03-24 18:48                                                                             ` Joel Fernandes
2019-03-20 19:11                                                                     ` Joel Fernandes
2019-05-07  2:16                                                           ` [RFC] simple_lmk: Introduce Simple Low Memory Killer for Android Sultan Alsawaf
2019-05-07  2:16                                                             ` Sultan Alsawaf
2019-05-07  7:04                                                             ` Greg Kroah-Hartman
2019-05-07  7:27                                                               ` Sultan Alsawaf
2019-05-07  7:43                                                                 ` Greg Kroah-Hartman
2019-05-07  8:12                                                                   ` Sultan Alsawaf
2019-05-07 10:58                                                                     ` Christian Brauner
2019-05-07 16:28                                                                       ` Suren Baghdasaryan
2019-05-07 16:38                                                                         ` Christian Brauner
2019-05-07 16:53                                                                         ` Sultan Alsawaf
2019-05-07 20:01                                                                           ` Suren Baghdasaryan
2019-05-07 18:46                                                                         ` Joel Fernandes
2019-05-07 17:17                                                                       ` Sultan Alsawaf
2019-05-07 17:29                                                                         ` Greg Kroah-Hartman
2019-05-07 11:09                                                                     ` Greg Kroah-Hartman
2019-05-07 12:26                                                             ` Michal Hocko
2019-05-07 15:31                                                             ` Oleg Nesterov
2019-05-07 16:35                                                               ` Sultan Alsawaf
2019-05-09 15:56                                                                 ` Oleg Nesterov
2019-05-09 18:33                                                                   ` Sultan Alsawaf
2019-05-10 15:10                                                                     ` Oleg Nesterov
2019-05-13 16:45                                                                       ` Sultan Alsawaf
2019-05-14 16:44                                                                         ` Steven Rostedt
2019-05-14 17:31                                                                           ` Sultan Alsawaf
2019-05-15 14:58                                                                         ` Oleg Nesterov
2019-05-15 17:27                                                                           ` Sultan Alsawaf
2019-05-15 17:27                                                                             ` Sultan Alsawaf
2019-05-15 18:32                                                                             ` Steven Rostedt
2019-05-15 18:52                                                                               ` Sultan Alsawaf
2019-05-15 20:09                                                                                 ` Steven Rostedt
2019-05-16 13:54                                                                             ` Oleg Nesterov
2019-03-17 16:35                                             ` Serge E. Hallyn
2019-03-17 17:11                                               ` Daniel Colascione
2019-03-17 17:16                                                 ` Serge E. Hallyn
2019-03-17 22:02                                                   ` Suren Baghdasaryan

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