On Thu, Jul 19, 2007 at 03:48:40PM +0200, Andi Kleen wrote:
>
> From: Will Schmidt <[email protected]>
>
> During a VM oom condition, kill all threads in the process group.
>
> We have had complaints where a threaded application is left in a bad state
> after one of it's threads is killed when we hit a VM: out_of_memory condition.
>
> Killing just one of the process threads can leave the application in a bad
> state, whereas killing the entire process group would allow for the
> application to restart, or otherwise handled, and makes it very obvious that
> something has gone wrong.
>
> This change allows the entire process group to be taken down, rather than just
> the one thread.
Shouldn't we have one patc hthat does this for every architecture instead
of going through arch maintainers and probably losing half of them?
> Index: linux/arch/x86_64/mm/fault.c
> ===================================================================
> --- linux.orig/arch/x86_64/mm/fault.c
> +++ linux/arch/x86_64/mm/fault.c
> @@ -569,7 +569,7 @@ out_of_memory:
> }
> printk("VM: killing process %s\n", tsk->comm);
> if (error_code & 4)
> - do_exit(SIGKILL);
> + do_group_exit(SIGKILL);
> goto no_context;
>
> do_sigbus:
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
