Mercurial > hg > nginx-quic
diff src/core/ngx_palloc.c @ 2939:7d8667499ddc stable-0.7
merge r2889, r2918, and r2921:
fix a pool growing and CPU usage for multi-requests keepalive connections:
*) keepalive_requests
*) try to reuse last 4 free large allocation links
*) do not test a pool block space if we can not allocated from
the block 4 times
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 15 Jun 2009 08:43:10 +0000 |
| parents | 3a8a53c0c42f |
| children |
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--- a/src/core/ngx_palloc.c +++ b/src/core/ngx_palloc.c @@ -25,6 +25,7 @@ ngx_create_pool(size_t size, ngx_log_t * p->d.last = (u_char *) p + sizeof(ngx_pool_t); p->d.end = (u_char *) p + size; p->d.next = NULL; + p->d.failed = 0; size = size - sizeof(ngx_pool_t); p->max = (size < NGX_MAX_ALLOC_FROM_POOL) ? size : NGX_MAX_ALLOC_FROM_POOL; @@ -189,6 +190,7 @@ ngx_palloc_block(ngx_pool_t *pool, size_ new->d.end = m + psize; new->d.next = NULL; + new->d.failed = 0; m += sizeof(ngx_pool_data_t); m = ngx_align_ptr(m, NGX_ALIGNMENT); @@ -197,7 +199,7 @@ ngx_palloc_block(ngx_pool_t *pool, size_ current = pool->current; for (p = current; p->d.next; p = p->d.next) { - if ((size_t) (p->d.end - p->d.last) < NGX_ALIGNMENT) { + if (p->d.failed++ > 4) { current = p->d.next; } } @@ -214,6 +216,7 @@ static void * ngx_palloc_large(ngx_pool_t *pool, size_t size) { void *p; + ngx_uint_t n; ngx_pool_large_t *large; p = ngx_alloc(size, pool->log); @@ -221,6 +224,19 @@ ngx_palloc_large(ngx_pool_t *pool, size_ return NULL; } + n = 0; + + for (large = pool->large; large; large = large->next) { + if (large->alloc == NULL) { + large->alloc = p; + return p; + } + + if (n++ > 3) { + break; + } + } + large = ngx_palloc(pool, sizeof(ngx_pool_large_t)); if (large == NULL) { ngx_free(p);