Revision b52723c5607f7684c2c0c075f86f86da0d7fb6d0 authored by KOSAKI Motohiro on 19 August 2010, 21:13:39 UTC, committed by Linus Torvalds on 20 August 2010, 16:34:55 UTC
Commit 0aad4b3124 ("oom: fold __out_of_memory into out_of_memory")
introduced a tasklist_lock leak. Then it caused following obvious
danger warnings and panic.
================================================
[ BUG: lock held when returning to user space! ]
------------------------------------------------
rsyslogd/1422 is leaving the kernel with locks still held!
1 lock held by rsyslogd/1422:
#0: (tasklist_lock){.+.+.+}, at: [<ffffffff810faf64>] out_of_memory+0x164/0x3f0
BUG: scheduling while atomic: rsyslogd/1422/0x00000002
INFO: lockdep is turned off.
This patch fixes it.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent be71cf2
| File | Mode | Size |
|---|---|---|
| Makefile | -rw-r--r-- | 1.2 KB |
| align.S | -rw-r--r-- | 11.4 KB |
| asm-offsets.c | -rw-r--r-- | 4.5 KB |
| coprocessor.S | -rw-r--r-- | 7.1 KB |
| entry.S | -rw-r--r-- | 45.1 KB |
| head.S | -rw-r--r-- | 4.8 KB |
| init_task.c | -rw-r--r-- | 818 bytes |
| io.c | -rw-r--r-- | 1.9 KB |
| irq.c | -rw-r--r-- | 4.1 KB |
| module.c | -rw-r--r-- | 5.7 KB |
| pci-dma.c | -rw-r--r-- | 2.3 KB |
| pci.c | -rw-r--r-- | 9.8 KB |
| platform.c | -rw-r--r-- | 1.3 KB |
| process.c | -rw-r--r-- | 7.7 KB |
| ptrace.c | -rw-r--r-- | 8.0 KB |
| setup.c | -rw-r--r-- | 10.1 KB |
| signal.c | -rw-r--r-- | 13.8 KB |
| syscall.c | -rw-r--r-- | 1.5 KB |
| time.c | -rw-r--r-- | 3.0 KB |
| traps.c | -rw-r--r-- | 12.3 KB |
| vectors.S | -rw-r--r-- | 13.5 KB |
| vmlinux.lds.S | -rw-r--r-- | 7.0 KB |
| xtensa_ksyms.c | -rw-r--r-- | 2.2 KB |
Computing file changes ...
