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kernel/trace/ring_buffer.c: reduce inlining

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text    data     bss     dec     hex filename
before:  11320     228       8   11556    2d24 kernel/trace/ring_buffer.o
after:   10592     228       8   10828    2a4c kernel/trace/ring_buffer.o

Also: free_page(0) is legal.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Andrew Morton 2009-01-09 12:27:09 -08:00 committed by Ingo Molnar
parent 99cd707489
commit 34a148bf09
1 changed files with 11 additions and 12 deletions
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23
kernel/trace/ring_buffer.c
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@ -133,7 +133,7 @@ enum {
};
/* inline for ring buffer fast paths */
static inline unsigned
static unsigned
rb_event_length(struct ring_buffer_event *event)
{
unsigned length;
@ -179,7 +179,7 @@ unsigned ring_buffer_event_length(struct ring_buffer_event *event)
EXPORT_SYMBOL_GPL(ring_buffer_event_length);
/* inline for ring buffer fast paths */
static inline void *
static void *
rb_event_data(struct ring_buffer_event *event)
{
BUG_ON(event->type != RINGBUF_TYPE_DATA);
@ -229,10 +229,9 @@ static void rb_init_page(struct buffer_data_page *bpage)
* Also stolen from mm/slob.c. Thanks to Mathieu Desnoyers for pointing
* this issue out.
*/
static inline void free_buffer_page(struct buffer_page *bpage)
static void free_buffer_page(struct buffer_page *bpage)
{
if (bpage->page)
free_page((unsigned long)bpage->page);
free_page((unsigned long)bpage->page);
kfree(bpage);
}
@ -811,7 +810,7 @@ rb_event_index(struct ring_buffer_event *event)
return (addr & ~PAGE_MASK) - (PAGE_SIZE - BUF_PAGE_SIZE);
}
static inline int
static int
rb_is_commit(struct ring_buffer_per_cpu *cpu_buffer,
struct ring_buffer_event *event)
{
@ -825,7 +824,7 @@ rb_is_commit(struct ring_buffer_per_cpu *cpu_buffer,
rb_commit_index(cpu_buffer) == index;
}
static inline void
static void
rb_set_commit_event(struct ring_buffer_per_cpu *cpu_buffer,
struct ring_buffer_event *event)
{
@ -850,7 +849,7 @@ rb_set_commit_event(struct ring_buffer_per_cpu *cpu_buffer,
local_set(&cpu_buffer->commit_page->page->commit, index);
}
static inline void
static void
rb_set_commit_to_write(struct ring_buffer_per_cpu *cpu_buffer)
{
/*
@ -896,7 +895,7 @@ static void rb_reset_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
cpu_buffer->reader_page->read = 0;
}
static inline void rb_inc_iter(struct ring_buffer_iter *iter)
static void rb_inc_iter(struct ring_buffer_iter *iter)
{
struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer;
@ -926,7 +925,7 @@ static inline void rb_inc_iter(struct ring_buffer_iter *iter)
* and with this, we can determine what to place into the
* data field.
*/
static inline void
static void
rb_update_event(struct ring_buffer_event *event,
unsigned type, unsigned length)
{
@ -964,7 +963,7 @@ rb_update_event(struct ring_buffer_event *event,
}
}
static inline unsigned rb_calculate_event_length(unsigned length)
static unsigned rb_calculate_event_length(unsigned length)
{
struct ring_buffer_event event; /* Used only for sizeof array */
@ -1438,7 +1437,7 @@ int ring_buffer_write(struct ring_buffer *buffer,
}
EXPORT_SYMBOL_GPL(ring_buffer_write);
static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
static int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
{
struct buffer_page *reader = cpu_buffer->reader_page;
struct buffer_page *head = cpu_buffer->head_page;