From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756922AbcIGVVD (ORCPT ); Wed, 7 Sep 2016 17:21:03 -0400 Received: from mail-pf0-f196.google.com ([209.85.192.196]:35663 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752810AbcIGVVC (ORCPT ); Wed, 7 Sep 2016 17:21:02 -0400 Date: Wed, 7 Sep 2016 14:20:58 -0700 From: Alexei Starovoitov To: Yauheni Kaliuta Cc: linux-kernel@vger.kernel.org, aris@redhat.com, jolsa@redhat.com, Peter Zijlstra , Ingo Molnar Subject: Re: [PATCH RFC 2/2] rlimits: report resource limits violations Message-ID: <20160907212057.GB70909@ast-mbp.thefacebook.com> References: <20160824112428.GA15743@krava> <1473244055-25240-1-git-send-email-yauheni.kaliuta@redhat.com> <1473244055-25240-3-git-send-email-yauheni.kaliuta@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1473244055-25240-3-git-send-email-yauheni.kaliuta@redhat.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 07, 2016 at 01:27:35PM +0300, Yauheni Kaliuta wrote: > The patch instrument different places of resource limits checks with > reporting using the infrastructure from the previous patch. > > Signed-off-by: Yauheni Kaliuta > --- > arch/ia64/kernel/perfmon.c | 4 +++- > arch/powerpc/kvm/book3s_64_vio.c | 6 ++++-- > arch/powerpc/mm/mmu_context_iommu.c | 6 ++++-- > drivers/android/binder.c | 7 ++++++- > drivers/infiniband/core/umem.c | 1 + > drivers/infiniband/hw/hfi1/user_pages.c | 5 ++++- > drivers/infiniband/hw/qib/qib_user_pages.c | 1 + > drivers/infiniband/hw/usnic/usnic_uiom.c | 1 + > drivers/misc/mic/scif/scif_rma.c | 1 + > drivers/vfio/vfio_iommu_spapr_tce.c | 6 ++++-- > drivers/vfio/vfio_iommu_type1.c | 4 ++++ > fs/attr.c | 4 +++- > fs/binfmt_aout.c | 4 +++- > fs/binfmt_flat.c | 1 + > fs/coredump.c | 4 +++- > fs/exec.c | 14 ++++++++++---- > fs/file.c | 26 +++++++++++++++++++++----- > fs/select.c | 4 +++- > include/linux/mm.h | 7 ++++++- > ipc/mqueue.c | 10 ++++++++-- > ipc/shm.c | 1 + > kernel/bpf/syscall.c | 15 ++++++++++++--- > kernel/events/core.c | 1 + > kernel/fork.c | 9 ++++++--- > kernel/sched/core.c | 17 +++++++++++++---- > kernel/signal.c | 7 ++++--- > kernel/sys.c | 9 ++++++--- > kernel/time/posix-cpu-timers.c | 8 ++++++++ > mm/mlock.c | 14 +++++++++++++- > mm/mmap.c | 19 +++++++++++++++---- > mm/mremap.c | 4 +++- > net/unix/af_unix.c | 9 ++++++--- > 32 files changed, 179 insertions(+), 50 deletions(-) I'm certainly not excited that we'd need to maintain this rlimit tracking for foreseeable future. I can be convinced otherwise, but so far I don't see strong enough use case that warrants these changes all over.