The patch titled
Subject: mm-oom_kill-fix-the-wrong-task-mm-==-mm-checks-in-oom_kill_process-fix
has been removed from the -mm tree. Its filename was
mm-oom_kill-fix-the-wrong-task-mm-==-mm-checks-in-oom_kill_process-fix.patch
This patch was dropped because it was folded into mm-oom_kill-fix-the-wrong-task-mm-==-mm-checks-in-oom_kill_process.patch
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-oom_kill-fix-the-wrong-task-mm-==-mm-checks-in-oom_kill_process-fix
document process_shares_mm() a bit
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Kyle Walker <kwalker@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Stanislav Kozina <skozina@xxxxxxxxxx>
Cc: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/oom_kill.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN mm/oom_kill.c~mm-oom_kill-fix-the-wrong-task-mm-==-mm-checks-in-oom_kill_process-fix mm/oom_kill.c
--- a/mm/oom_kill.c~mm-oom_kill-fix-the-wrong-task-mm-==-mm-checks-in-oom_kill_process-fix
+++ a/mm/oom_kill.c
@@ -483,6 +483,12 @@ void oom_killer_enable(void)
oom_killer_disabled = false;
}
+/*
+ * task->mm can be NULL if the task is the exited group leader. So to
+ * determine whether the task is using a particular mm, we examine all the
+ * task's threads: if one of those is using this mm then this task was also
+ * using it.
+ */
static bool process_shares_mm(struct task_struct *p, struct mm_struct *mm)
{
struct task_struct *t;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
uaccess-reimplement-probe_kernel_address-using-probe_kernel_read.patch
mm-oom_kill-fix-the-wrong-task-mm-==-mm-checks-in-oom_kill_process.patch
mm-vmstatc-uninline-node_page_state.patch
mm-vmstatc-uninline-node_page_state-fix.patch
mm-cmac-suppress-warning.patch
memcg-fix-thresholds-for-32b-architectures-fix-fix.patch
kasan-various-fixes-in-documentation-checkpatch-fixes.patch
mm-slub-kasan-enable-user-tracking-by-default-with-kasan=y-fix.patch
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