diff options
Diffstat (limited to 'lib/mempool.c')
-rw-r--r-- | lib/mempool.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/lib/mempool.c b/lib/mempool.c index 758882ce..8f300b81 100644 --- a/lib/mempool.c +++ b/lib/mempool.c @@ -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; }; static void lp_free(resource *); @@ -69,6 +70,13 @@ 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; @@ -121,7 +129,11 @@ 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; @@ -258,7 +270,10 @@ 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) { |