Subject: [merged] exit-move-check_stack_usage-to-the-end-of-do_exit.patch removed from -mm tree
To: oleg@xxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 08 Apr 2014 14:15:12 -0700
The patch titled
Subject: exit: move check_stack_usage() to the end of do_exit()
has been removed from the -mm tree. Its filename was
exit-move-check_stack_usage-to-the-end-of-do_exit.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Subject: exit: move check_stack_usage() to the end of do_exit()
It is not clear why check_stack_usage() is called so early and thus it
never checks the stack usage in, say, exit_notify() or
flush_ptrace_hw_breakpoint() or other functions which are only called by
do_exit().
Move the callsite down to the last preempt_disable/schedule.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/exit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/exit.c~exit-move-check_stack_usage-to-the-end-of-do_exit kernel/exit.c
--- a/kernel/exit.c~exit-move-check_stack_usage-to-the-end-of-do_exit
+++ a/kernel/exit.c
@@ -788,7 +788,6 @@ void do_exit(long code)
disassociate_ctty(1);
exit_task_namespaces(tsk);
exit_task_work(tsk);
- check_stack_usage();
exit_thread();
/*
@@ -842,6 +841,7 @@ void do_exit(long code)
validate_creds_for_do_exit(tsk);
+ check_stack_usage();
preempt_disable();
if (tsk->nr_dirtied)
__this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied);
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
origin.patch
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