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Message-Id: <1425010639-16492-1-git-send-email-cyphar@cyphar.com> Date: Fri, 27 Feb 2015 15:17:17 +1100 From: Aleksa Sarai <cyphar@...har.com> To: tj@...nel.org, lizefan@...wei.com, mingo@...hat.com, peterz@...radead.org Cc: richard@....at, fweisbec@...il.com, linux-kernel@...r.kernel.org, cgroups@...r.kernel.org, Aleksa Sarai <cyphar@...har.com> Subject: [RFC PATCH v2 0/2] add nproc cgroup subsystem This is an updated version of the nproc patchset[1], in which the forking cleanup issue has been resolved by adding can_fork and cancel_fork callbacks to cgroup subsystems. The can_fork callback is run early enough that it doesn't get called after the "point of no return" where the process is exposed (which is when fork) is called, and cancel_fork is run during the cleanup of copy_process if the fork fails due to other reasons. [1]: https://lkml.org/lkml/2015/2/22/204 Aleksa Sarai (2): cgroups: allow a cgroup subsystem to reject a fork cgroups: add an nproc subsystem include/linux/cgroup.h | 9 ++ include/linux/cgroup_subsys.h | 4 + init/Kconfig | 10 +++ kernel/Makefile | 1 + kernel/cgroup.c | 80 +++++++++++++---- kernel/cgroup_nproc.c | 198 ++++++++++++++++++++++++++++++++++++++++++ kernel/fork.c | 12 ++- 7 files changed, 296 insertions(+), 18 deletions(-) create mode 100644 kernel/cgroup_nproc.c -- 2.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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