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| author | Ingo Molnar <mingo@elte.hu> | 2009-06-01 10:01:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-01 10:01:39 +0200 |
| commit | 23db9f430be9325a861c7762c1ffadad9ca528a8 (patch) | |
| tree | 1ebb681611c96f17aa4f96e28d6923824a8b210f /drivers/oprofile/cpu_buffer.c | |
| parent | 27b9613b7be39412775d0ab80f57229aa73bb07d (diff) | |
| parent | 3218911f839b6c85acbf872ad264ea69aa4d89ad (diff) | |
| download | op-kernel-dev-23db9f430be9325a861c7762c1ffadad9ca528a8.zip op-kernel-dev-23db9f430be9325a861c7762c1ffadad9ca528a8.tar.gz | |
Merge branch 'linus' into perfcounters/core
Merge reason: merge almost-rc8 into perfcounters/core, which was -rc6
based - to pick up the latest upstream fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/oprofile/cpu_buffer.c')
| -rw-r--r-- | drivers/oprofile/cpu_buffer.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index f0e99d4..242257b 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -78,16 +78,20 @@ void free_cpu_buffers(void) op_ring_buffer_write = NULL; } +#define RB_EVENT_HDR_SIZE 4 + int alloc_cpu_buffers(void) { int i; unsigned long buffer_size = oprofile_cpu_buffer_size; + unsigned long byte_size = buffer_size * (sizeof(struct op_sample) + + RB_EVENT_HDR_SIZE); - op_ring_buffer_read = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS); + op_ring_buffer_read = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS); if (!op_ring_buffer_read) goto fail; - op_ring_buffer_write = ring_buffer_alloc(buffer_size, OP_BUFFER_FLAGS); + op_ring_buffer_write = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS); if (!op_ring_buffer_write) goto fail; |
