Re: [PATCH 2/3] [PATCH powerpc] during VM oom condition, kill all threads in process group
From: Will Schmidt <hidden>
Date: 2007-06-05 18:17:32
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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:
quoted hunk
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 <redacted> --- 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: