From: Michal Hocko <mhocko@kernel.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
linux-mm@kvack.org, "Alex Deucher" <alexander.deucher@amd.com>,
"Alex Thorlton" <athorlton@sgi.com>,
"Andrea Arcangeli" <aarcange@redhat.com>,
"Andy Lutomirski" <luto@amacapital.net>,
"Benjamin LaHaise" <bcrl@kvack.org>,
"Christian König" <christian.koenig@amd.com>,
"Daniel Vetter" <daniel.vetter@intel.com>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"David Airlie" <airlied@linux.ie>,
"Davidlohr Bueso" <dave@stgolabs.net>,
"David Rientjes" <rientjes@google.com>,
"H . Peter Anvin" <hpa@zytor.com>,
"Hugh Dickins" <hughd@google.com>,
"Ingo Molnar" <mingo@kernel.org>,
"Johannes Weiner" <hannes@cmpxchg.org>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
"Konstantin Khlebnikov" <koct9i@gmail.com>,
linux-arch@vger.kernel.org, "Mel Gorman" <mgorman@suse.de>,
"Peter Zijlstra" <peterz@infradead.org>,
"Petr Cermak" <petrcermak@chromium.org>,
"Thomas Gleixner" <tglx@linutronix.de>
Subject: Re: [PATCH 07/18] mm, proc: make clear_refs killable
Date: Mon, 29 Feb 2016 19:02:00 +0100 [thread overview]
Message-ID: <20160229180200.GO16930@dhcp22.suse.cz> (raw)
Message-ID: <20160229180200.d6BwtpFCEHvfCO9co4teiHw_wxDbykqIgiQLJVrnDfQ@z> (raw)
In-Reply-To: <20160229175816.GE3615@redhat.com>
On Mon 29-02-16 18:58:17, Oleg Nesterov wrote:
> On 02/29, Michal Hocko wrote:
> >
> > On Mon 29-02-16 18:38:45, Oleg Nesterov wrote:
> >
> > > In this case you do not need put_task_struct().
> >
> > Why not? Both are after get_proc_task which takes a reference to the
> > task...
>
> Yes, but we already have put_task_struct(task) in the "out_mm" path, so
> "goto out_mm" should work just fine?
OK, got what you mean now. That's what I did and is on the way. I just
thought you mean that put_task_struct is implicit for other reason.
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2016-02-29 18:02 UTC|newest]
Thread overview: 138+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-29 13:26 [PATCH 0/18] change mmap_sem taken for write killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 13:26 ` [PATCH 01/18] mm: Make mmap_sem for write waits killable for mm syscalls Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 13:44 ` kbuild test robot
2016-02-29 13:44 ` kbuild test robot
2016-02-29 13:44 ` kbuild test robot
2016-02-29 13:44 ` kbuild test robot
2016-03-10 15:47 ` Vlastimil Babka
2016-03-10 15:47 ` Vlastimil Babka
2016-03-10 15:56 ` Michal Hocko
2016-03-10 15:56 ` Michal Hocko
2016-02-29 13:26 ` [PATCH 02/18] mm: make vm_mmap killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-03-11 9:59 ` Vlastimil Babka
2016-03-11 9:59 ` Vlastimil Babka
2016-03-11 12:12 ` Michal Hocko
2016-03-11 12:12 ` Michal Hocko
2016-03-11 12:43 ` Vlastimil Babka
2016-03-11 12:43 ` Vlastimil Babka
2016-03-11 12:55 ` Michal Hocko
2016-03-11 12:55 ` Michal Hocko
2016-02-29 13:26 ` [PATCH 03/18] mm: make vm_munmap killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-03-11 10:06 ` Vlastimil Babka
2016-03-11 10:06 ` Vlastimil Babka
2016-03-11 12:32 ` Michal Hocko
2016-03-11 12:32 ` Michal Hocko
2016-02-29 13:26 ` [PATCH 04/18] mm, aout: handle vm_brk failures Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-03-11 10:32 ` Vlastimil Babka
2016-03-11 10:32 ` Vlastimil Babka
2016-03-11 12:42 ` Michal Hocko
2016-03-11 12:42 ` Michal Hocko
2016-02-29 13:26 ` [PATCH 05/18] mm, elf: handle vm_brk error Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-03-11 10:35 ` Vlastimil Babka
2016-03-11 10:35 ` Vlastimil Babka
2016-02-29 13:26 ` [PATCH 06/18] mm: make vm_brk killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-03-11 10:44 ` Vlastimil Babka
2016-03-11 10:44 ` Vlastimil Babka
2016-02-29 13:26 ` [PATCH 07/18] mm, proc: make clear_refs killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 13:47 ` kbuild test robot
2016-02-29 13:47 ` kbuild test robot
2016-02-29 17:38 ` Oleg Nesterov
2016-02-29 17:38 ` Oleg Nesterov
2016-02-29 17:53 ` Michal Hocko
2016-02-29 17:53 ` Michal Hocko
2016-02-29 17:58 ` Oleg Nesterov
2016-02-29 17:58 ` Oleg Nesterov
2016-02-29 18:02 ` Michal Hocko [this message]
2016-02-29 18:02 ` Michal Hocko
2016-02-29 13:26 ` [PATCH 08/18] mm, fork: make dup_mmap wait for mmap_sem for write killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 13:48 ` kbuild test robot
2016-02-29 13:48 ` kbuild test robot
2016-02-29 17:54 ` Oleg Nesterov
2016-02-29 17:54 ` Oleg Nesterov
2016-02-29 13:26 ` [PATCH 09/18] ipc, shm: make shmem attach/detach wait for mmap_sem killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-03-08 19:15 ` Davidlohr Bueso
2016-03-08 19:15 ` Davidlohr Bueso
2016-03-09 10:16 ` Michal Hocko
2016-03-09 10:16 ` Michal Hocko
2016-02-29 13:26 ` [PATCH 10/18] vdso: make arch_setup_additional_pages wait for mmap_sem for write killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 13:45 ` kbuild test robot
2016-02-29 13:45 ` kbuild test robot
2016-02-29 13:50 ` kbuild test robot
2016-02-29 13:50 ` kbuild test robot
2016-02-29 13:53 ` kbuild test robot
2016-02-29 13:53 ` kbuild test robot
2016-02-29 15:41 ` Andy Lutomirski
2016-02-29 15:41 ` Andy Lutomirski
2016-03-11 11:28 ` Vlastimil Babka
2016-03-11 11:28 ` Vlastimil Babka
2016-02-29 13:26 ` [PATCH 11/18] coredump: make coredump_wait wait for mma_sem " Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 15:57 ` Oleg Nesterov
2016-02-29 15:57 ` Oleg Nesterov
2016-03-11 11:32 ` Vlastimil Babka
2016-03-11 11:32 ` Vlastimil Babka
2016-03-11 11:54 ` Vlastimil Babka
2016-03-11 11:54 ` Vlastimil Babka
2016-03-11 12:46 ` Michal Hocko
2016-03-11 12:46 ` Michal Hocko
2016-02-29 13:26 ` [PATCH 12/18] aio: make aio_setup_ring killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 16:17 ` Jeff Moyer
2016-02-29 16:17 ` Jeff Moyer
2016-03-11 11:57 ` Vlastimil Babka
2016-03-11 11:57 ` Vlastimil Babka
2016-02-29 13:26 ` [PATCH 13/18] exec: make exec path waiting for mmap_sem killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 17:23 ` Oleg Nesterov
2016-02-29 17:23 ` Oleg Nesterov
2016-02-29 17:47 ` Michal Hocko
2016-02-29 17:47 ` Michal Hocko
2016-02-29 18:10 ` Oleg Nesterov
2016-02-29 18:10 ` Oleg Nesterov
2016-03-11 12:51 ` Vlastimil Babka
2016-03-11 12:51 ` Vlastimil Babka
2016-02-29 13:26 ` [PATCH 14/18] prctl: make PR_SET_THP_DISABLE wait " Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-03-11 12:54 ` Vlastimil Babka
2016-03-11 12:54 ` Vlastimil Babka
2016-02-29 13:26 ` [PATCH 15/18] uprobes: wait for mmap_sem for write killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 15:57 ` Oleg Nesterov
2016-02-29 15:57 ` Oleg Nesterov
2016-02-29 16:28 ` Michal Hocko
2016-02-29 16:28 ` Michal Hocko
2016-02-29 17:12 ` Oleg Nesterov
2016-02-29 17:12 ` Oleg Nesterov
2016-02-29 13:26 ` [PATCH 16/18] drm/i915: make i915_gem_mmap_ioctl wait for mmap_sem killable Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-03-11 15:23 ` Vlastimil Babka
2016-03-11 15:23 ` Vlastimil Babka
2016-02-29 13:26 ` [PATCH 17/18] drm/radeon: make radeon_mn_get " Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-02-29 13:35 ` Christian König
2016-02-29 13:35 ` Christian König
2016-03-11 15:27 ` Vlastimil Babka
2016-03-11 15:27 ` Vlastimil Babka
2016-02-29 13:26 ` [PATCH 18/18] drm/amdgpu: make amdgpu_mn_get " Michal Hocko
2016-02-29 13:26 ` Michal Hocko
2016-03-11 15:29 ` Vlastimil Babka
2016-03-11 15:29 ` Vlastimil Babka
2016-02-29 13:31 ` [PATCH 0/18] change mmap_sem taken for write killable Michal Hocko
2016-02-29 13:31 ` Michal Hocko
2016-02-29 14:04 ` Kirill A. Shutemov
2016-02-29 14:04 ` Kirill A. Shutemov
2016-02-29 14:16 ` Michal Hocko
2016-02-29 14:16 ` Michal Hocko
2016-02-29 15:03 ` Kirill A. Shutemov
2016-02-29 15:03 ` Kirill A. Shutemov
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