aboutsummaryrefslogtreecommitdiff
path: root/fs
diff options
context:
space:
mode:
authorRik van Riel <riel@redhat.com>2013-10-07 11:29:28 +0100
committerIngo Molnar <mingo@kernel.org>2013-10-09 14:48:00 +0200
commit82727018b0d33d188e9916bcf76f18387484cb04 (patch)
tree429e0db98c4512f714a668ae9ef9d3bb6e85ce0f /fs
parent83e1d2cd9eabec5164afea295ff06b941ae8e4a9 (diff)
downloadlinux-82727018b0d33d188e9916bcf76f18387484cb04.tar.gz
sched/numa: Call task_numa_free() from do_execve()
It is possible for a task in a numa group to call exec, and have the new (unrelated) executable inherit the numa group association from its former self. This has the potential to break numa grouping, and is trivial to fix. Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: Mel Gorman <mgorman@suse.de> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1381141781-10992-51-git-send-email-mgorman@suse.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/exec.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 8875dd10ae7..2ea437e5acf 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1547,6 +1547,7 @@ static int do_execve_common(const char *filename,
current->fs->in_exec = 0;
current->in_execve = 0;
acct_update_integrals(current);
+ task_numa_free(current);
free_bprm(bprm);
if (displaced)
put_files_struct(displaced);