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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-05-29 13:19:22 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-05-29 13:19:22 +0400 |
| commit | a35197a8be891072b3654dc7a2285573150dedee (patch) | |
| tree | f3829335b8a0cd40e2cdb94d7fefb54bf67977df /drivers/oprofile/cpu_buffer.c | |
| parent | 6daad5c6c586bf07528ae5b39e801b204468f907 (diff) | |
| parent | 67a433ce278b98f47272726a22537fab7fd99de9 (diff) | |
| download | linux-a35197a8be891072b3654dc7a2285573150dedee.tar.xz | |
Merge branch 'for-rmk' of git://gitorious.org/linux-gemini/mainline
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 f0e99d4c066b..242257b19441 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; |