* [PATCH Latency Tracer] don't panic on failed bootmem alloc
@ 2007-12-06 4:41 Steven Rostedt
2007-12-06 10:55 ` Ingo Molnar
0 siblings, 1 reply; 2+ messages in thread
From: Steven Rostedt @ 2007-12-06 4:41 UTC (permalink / raw)
To: Ingo Molnar; +Cc: LKML, RT
Ingo,
This patch prevents a panic on a failed bootmem alloc in the
initialization of the tracer buffers.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Index: linux-2.6-latency/kernel/latency_trace.c
===================================================================
--- linux-2.6-latency.orig/kernel/latency_trace.c
+++ linux-2.6-latency/kernel/latency_trace.c
@@ -2720,10 +2720,11 @@ void * __init tracer_alloc_bootmem(unsig
{
void * ret;
- ret =__alloc_bootmem(size, SMP_CACHE_BYTES, ARCH_LOW_ADDRESS_LIMIT);
+ ret =__alloc_bootmem_nopanic(size, SMP_CACHE_BYTES,
+ ARCH_LOW_ADDRESS_LIMIT);
if (ret != NULL && ((unsigned long)ret) < ARCH_LOW_ADDRESS_LIMIT) {
free_bootmem(__pa(ret), size);
- ret = __alloc_bootmem(size,
+ ret = __alloc_bootmem_nopanic(size,
SMP_CACHE_BYTES,
__pa(MAX_DMA_ADDRESS));
}
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2007-12-06 4:41 [PATCH Latency Tracer] don't panic on failed bootmem alloc Steven Rostedt
2007-12-06 10:55 ` Ingo Molnar
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