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Merge commit '0c59f7ff' into haugesund

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This commit is contained in:
Maria Matejka
2022-03-09 09:13:55 +01:00
parent c78247f9b9 0c59f7ff01
commit eeec9ddbf2
4 changed files with 31 additions and 4 deletions
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21
lib/mempool.c
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@@ -37,9 +37,10 @@ const int lp_chunk_size = sizeof(struct lp_chunk);
struct linpool {
resource r;
byte *ptr, *end;
pool *p;
struct lp_chunk *first, *current; /* Normal (reusable) chunks */
struct lp_chunk *first_large; /* Large chunks */
uint chunk_size, threshold, total, total_large;
uint chunk_size, threshold, total:31, use_pages:1, total_large;
};
_Thread_local linpool *tmp_linpool;
@@ -71,6 +72,13 @@ linpool
*lp_new(pool *p, uint blk)
{
linpool *m = ralloc(p, &lp_class);
m->p = p;
if (!blk)
{
m->use_pages = 1;
blk = page_size - lp_chunk_size;
}
m->chunk_size = blk;
m->threshold = 3*blk/4;
return m;
@@ -123,7 +131,11 @@ lp_alloc(linpool *m, uint size)
else
{
/* Need to allocate a new chunk */
c = xmalloc(sizeof(struct lp_chunk) + m->chunk_size);
if (m->use_pages)
c = alloc_page(m->p);
else
c = xmalloc(sizeof(struct lp_chunk) + m->chunk_size);
m->total += m->chunk_size;
c->next = NULL;
c->size = m->chunk_size;
@@ -260,7 +272,10 @@ lp_free(resource *r)
for(d=m->first; d; d = c)
{
c = d->next;
xfree(d);
if (m->use_pages)
free_page(m->p, d);
else
xfree(d);
}
for(d=m->first_large; d; d = c)
{

2
lib/resource.h
View File

@@ -91,7 +91,7 @@ extern _Thread_local linpool *tmp_linpool; /* Temporary linpool autoflushed regu
extern const int lp_chunk_size;
#define LP_GAS 1024
#define LP_GOOD_SIZE(x) (((x + LP_GAS - 1) & (~(LP_GAS - 1))) - lp_chunk_size)
#define lp_new_default(p) lp_new(p, LP_GOOD_SIZE(LP_GAS*4))
#define lp_new_default(p) lp_new(p, 0)
/* Slabs */