Messages in this thread | | | Date | Mon, 19 Mar 2018 14:29:46 -0700 | From | Tejun Heo <> | Subject | [GIT PULL] percpu fixes for v4.16-rc6 |
| |
Hello, Linus.
Late percpu pull request for v4.16-rc6.
* percpu allocator pool replenishing no longer triggers OOM or warning messages. Also, the alloc interface now understands __GFP_NORETRY and __GFP_NOWARN. This is to allow avoiding OOMs from userland triggered actions like bpf map creation. Also added cond_resched() in alloc loop.
* perpcu allocation now can be interrupted by kill sigs to avoid deadlocking OOM killer.
* Added Dennis Zhou as a co-maintainer. He has rewritten the area map allocator, understands most of the code base and has been responsive for all bug reports.
Thanks.
The following changes since commit 7928b2cbe55b2a410a0f5c1f154610059c57b1b2:
Linux 4.16-rc1 (2018-02-11 15:04:29 -0800)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git for-4.16-fixes
for you to fetch changes up to b3a5d111994450909158929560906f2c1c6c1d85:
percpu_ref: Update doc to dissuade users from depending on internal RCU grace periods (2018-03-19 10:09:44 -0700)
---------------------------------------------------------------- Dennis Zhou (3): percpu: match chunk allocator declarations with definitions percpu: add __GFP_NORETRY semantics to the percpu balancing path percpu: allow select gfp to be passed to underlying allocators
Eric Dumazet (1): percpu: add a schedule point in pcpu_balance_workfn()
Kirill Tkhai (1): mm: Allow to kill tasks doing pcpu_alloc() and waiting for pcpu_balance_workfn()
Tejun Heo (3): percpu: add Dennis Zhou as a percpu co-maintainer percpu: include linux/sched.h for cond_resched() percpu_ref: Update doc to dissuade users from depending on internal RCU grace periods
MAINTAINERS | 1 + include/linux/percpu-refcount.h | 18 +++++++---- lib/percpu-refcount.c | 2 ++ mm/percpu-km.c | 8 ++--- mm/percpu-vm.c | 18 ++++++----- mm/percpu.c | 67 +++++++++++++++++++++++++++-------------- 6 files changed, 74 insertions(+), 40 deletions(-)
| |