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qcacmn: Pre-allocate flex-mem segments

Browse source 
Pre-allocate the reduction_limit number of segments during
flex-mem-pool initialization.

Change-Id: I91581e04b94597ee4314ce8691b37a45066c5273
CRs-Fixed: 2241805
This commit is contained in:
Dustin Brown 2018-05-14 15:11:32 -07:00 • committed by nshrivas
commit a487539d7d
1 changed files with 22 additions and 13 deletions
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35
qdf/src/qdf_flex_mem.c
View file

@ -24,18 +24,6 @@
#include "qdf_trace.h"
#include "qdf_util.h"
void qdf_flex_mem_init(struct qdf_flex_mem_pool *pool)
{
qdf_spinlock_create(&pool->lock);
}
qdf_export_symbol(qdf_flex_mem_init);
void qdf_flex_mem_deinit(struct qdf_flex_mem_pool *pool)
{
qdf_spinlock_destroy(&pool->lock);
}
qdf_export_symbol(qdf_flex_mem_deinit);
static struct qdf_flex_mem_segment *
qdf_flex_mem_seg_alloc(struct qdf_flex_mem_pool *pool)
{
@ -49,10 +37,32 @@ qdf_flex_mem_seg_alloc(struct qdf_flex_mem_pool *pool)
seg->dynamic = true;
seg->bytes = (uint8_t *)(seg + 1);
seg->used_bitmap = 0;
qdf_list_insert_back(&pool->seg_list, &seg->node);
return seg;
}
void qdf_flex_mem_init(struct qdf_flex_mem_pool *pool)
{
int i;
qdf_spinlock_create(&pool->lock);
for (i = 0; i < pool->reduction_limit; i++)
qdf_flex_mem_seg_alloc(pool);
}
qdf_export_symbol(qdf_flex_mem_init);
void qdf_flex_mem_deinit(struct qdf_flex_mem_pool *pool)
{
qdf_flex_mem_release(pool);
QDF_BUG(!qdf_list_size(&pool->seg_list));
qdf_spinlock_destroy(&pool->lock);
}
qdf_export_symbol(qdf_flex_mem_deinit);
static void *__qdf_flex_mem_alloc(struct qdf_flex_mem_pool *pool)
{
struct qdf_flex_mem_segment *seg;
@ -79,7 +89,6 @@ static void *__qdf_flex_mem_alloc(struct qdf_flex_mem_pool *pool)
return NULL;
seg->used_bitmap = 1;
qdf_list_insert_back(&pool->seg_list, &seg->node);
return seg->bytes;
}