Messages in this thread | | | From | Shakeel Butt <> | Date | Mon, 26 Apr 2021 09:22:41 -0700 | Subject | Re: [PATCH 1/2] ipc sem: use kvmalloc for sem_undo allocation |
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On Mon, Apr 26, 2021 at 3:18 AM Vasily Averin <vvs@virtuozzo.com> wrote: > > size of sem_undo can exceed one page and with the maximum possible > nsems = 32000 it can grow up to 64Kb. Let's switch its allocation > to kvmalloc to avoid user-triggered disruptive actions like OOM killer > in case of high-order memory shortage. > > Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
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