Wen Congyang b086921183 tracing: Don't call page_to_pfn() if page is NULL ...

commit 85f2a2ef1d upstream.

When allocating memory fails, page is NULL. page_to_pfn() will
cause the kernel panicked if we don't use sparsemem vmemmap.

Link: http://lkml.kernel.org/r/505AB1FF.8020104@cn.fujitsu.com

Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2012-10-02 09:47:27 -07:00

..

asoc.h

ASoC: soc-cache: Add trace event for snd_soc_cache_sync()

2011-01-21 18:30:51 +00:00

block.h

block: make unplug timer trace event correspond to the schedule() unplug

2011-04-16 13:51:05 +02:00

btrfs.h

tracing: Update btrfs's tracepoints to use u64 interface

2011-05-25 22:13:47 -04:00

compaction.h

mm: compaction: add trace events for memory compaction activity

2011-01-13 17:32:33 -08:00

ext4.h

ext4: fixed tracepoints cleanup

2011-06-06 09:51:52 -04:00

gfpflags.h

mm: tracing: add missing GFP flags to tracing

2011-05-11 18:50:45 -07:00

gpio.h

gpio: add trace events for setting direction and value

2011-05-20 00:40:19 -06:00

irq.h

rcu: Use softirq to address performance regression

2011-06-14 15:25:39 -07:00

jbd2.h

ext4: add more tracepoints and use dev_t in the trace buffer

2011-03-21 21:38:05 -04:00

kmem.h

tracing: Don't call page_to_pfn() if page is NULL

2012-10-02 09:47:27 -07:00

kvm.h

KVM: cleanup async_pf tracepoints

2011-01-12 11:28:57 +02:00

lock.h

tracing: Factorize lock events in a lock class

2010-05-09 13:45:35 +02:00

mce.h

tracing: Fix event alignment: mce:mce_record

2011-03-10 10:34:28 -05:00

module.h

tracing: Fix event alignment: module:module_request

2011-03-10 10:34:20 -05:00

napi.h

napi: Convert trace_napi_poll to TRACE_EVENT

2010-09-07 17:51:01 +02:00

net.h

net: tracepoint of net_dev_xmit sees freed skb and causes panic

2011-06-02 14:06:31 -07:00

power.h

perf: Clean up power events by introducing new, more generic ones

2011-01-04 08:16:54 +01:00

random.h

random: add tracepoints for easier debugging and verification

2012-08-15 12:04:13 -07:00

regulator.h

regulator: Add basic trace facilities

2011-01-12 14:33:00 +00:00

sched.h

tracing/sched: Add sched_pi_setprio tracepoint

2010-09-21 10:56:41 -04:00

scsi.h

[SCSI] Include protection operation in SCSI command trace

2011-03-14 18:36:02 -05:00

signal.h

tracing: Fix null pointer deref with SEND_SIG_FORCED

2010-06-08 23:51:32 +02:00

skb.h

tracing: Fix event alignment: skb:kfree_skb

2011-03-10 10:34:31 -05:00

syscalls.h

tracing: Allow raw syscall trace events for non privileged users

2010-11-18 14:37:43 +01:00

timer.h

tracing: Fix timer tracing

2010-08-19 13:00:41 +02:00

vmscan.h

mm: change isolate mode from #define to bitwise type

2012-08-01 12:27:16 -07:00

workqueue.h

workqueue: add queue_work and activate_work trace points

2010-10-05 10:49:55 +02:00

writeback.h

writeback: fix dereferencing NULL bdi->dev on trace_writeback_queue

2012-02-20 12:48:11 -08:00