On Mon, Apr 26, 2021 at 01:18:09PM +0300, Vasily Averin 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 <[email protected]>
Acked-by: Roman Gushchin <[email protected]>