lkml.org 
[lkml]   [2007]   [Jun]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/3] [PATCH powerpc] during VM oom condition, kill all threads in process group
Date

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:

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-06-05 19:53    [W:0.889 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site