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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-06-15 14:58:26 +0800 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-09-24 09:34:24 +0930 |
| commit | 79f5599772ac2f138d7a75b8f3f06a93f09c75f7 (patch) | |
| tree | 092c9f6e3f7c49d8f5bb9f3d39752ae7cfb9415a /kernel/trace/trace.c | |
| parent | a724eada8c2a7b62463b73ccf73fd0bb6e928aeb (diff) | |
| download | lwn-79f5599772ac2f138d7a75b8f3f06a93f09c75f7.tar.gz lwn-79f5599772ac2f138d7a75b8f3f06a93f09c75f7.zip | |
cpumask: use zalloc_cpumask_var() where possible
Remove open-coded zalloc_cpumask_var() and zalloc_cpumask_var_node().
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 6c0f6a8a22eb..411af37f4be4 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1984,11 +1984,9 @@ __tracing_open(struct inode *inode, struct file *file) if (current_trace) *iter->trace = *current_trace; - if (!alloc_cpumask_var(&iter->started, GFP_KERNEL)) + if (!zalloc_cpumask_var(&iter->started, GFP_KERNEL)) goto fail; - cpumask_clear(iter->started); - if (current_trace && current_trace->print_max) iter->tr = &max_tr; else @@ -4389,7 +4387,7 @@ __init static int tracer_alloc_buffers(void) if (!alloc_cpumask_var(&tracing_cpumask, GFP_KERNEL)) goto out_free_buffer_mask; - if (!alloc_cpumask_var(&tracing_reader_cpumask, GFP_KERNEL)) + if (!zalloc_cpumask_var(&tracing_reader_cpumask, GFP_KERNEL)) goto out_free_tracing_cpumask; /* To save memory, keep the ring buffer size to its minimum */ @@ -4400,7 +4398,6 @@ __init static int tracer_alloc_buffers(void) cpumask_copy(tracing_buffer_mask, cpu_possible_mask); cpumask_copy(tracing_cpumask, cpu_all_mask); - cpumask_clear(tracing_reader_cpumask); /* TODO: make the number of buffers hot pluggable with CPUS */ global_trace.buffer = ring_buffer_alloc(ring_buf_size, |