> Depending on processor speed, page size, and the amount of memory a process
> is allowed to amass, cleanup of a large VM may freeze the system for many
> seconds. This can result in a watchdog timeout.
>
> Make sure other tasks receive some service when cleaning up large VMs.
>
> Signed-off-by: Steven J. Magnani <steve@xxxxxxxxxxxxxxx>
> ---
> diff -uprN a/mm/nommu.c b/mm/nommu.c
> --- a/mm/nommu.c 2010-11-15 07:53:45.000000000 -0600
> +++ b/mm/nommu.c 2010-11-15 07:57:13.000000000 -0600
> @@ -1668,6 +1668,7 @@ void exit_mmap(struct mm_struct *mm)
> mm->mmap = vma->vm_next;
> delete_vma_from_mm(vma);
> delete_vma(mm, vma);
> + cond_resched();
> }
>
> kleave("");
>
Looks good to me.
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxxx For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>