Messages in this thread | | | Subject | Re: [PATCH 2/3] [PATCH powerpc] during VM oom condition, kill all threads in process group | From | Will Schmidt <> | Date | Tue, 05 Jun 2007 13:17:14 -0500 |
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Whoops.. sorry about any reply bounces, I flubbed the cc to linuxppc-dev@ozlabs.org .
-Will
On Tue, 2007-05-06 at 12:48 -0500, Will Schmidt wrote: > When we get into a state where VM has ran out of memory, and it's time to > thwack a process, we should take out the entire process group, rather than > just one thread. > > Tested on POWER5. > > Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com> > --- > > arch/powerpc/mm/fault.c | 4 +++- > 1 files changed, 3 insertions(+), 1 deletions(-) > > diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c > index 03aeb3a..9afe871 100644 > --- a/arch/powerpc/mm/fault.c > +++ b/arch/powerpc/mm/fault.c > @@ -392,8 +392,10 @@ out_of_memory: > goto survive; > } > printk("VM: killing process %s\n", current->comm); > - if (user_mode(regs)) > + if (user_mode(regs)) { > + zap_other_threads(current); > do_exit(SIGKILL); > + } > return SIGKILL; > > do_sigbus: > >
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