From: Maxim Dounin <mdounin@mdounin.ru>
Date: Tue, 12 Feb 2019 18:51:15 +0000 (+0300)
Subject: Slab: removed redundant page calculation (ticket #1721).
X-Git-Tag: release-1.15.9~11
X-Git-Url: http://www.kaiwu.me/postgresql/commit/static/gitweb.js?a=commitdiff_plain;h=d8ccef021588cf79d2dae7c132a0b1225ed52c30;p=nginx.git

Slab: removed redundant page calculation (ticket #1721).
---

diff --git a/src/core/ngx_slab.c b/src/core/ngx_slab.c
index 402387053..b8577ce75 100644
--- a/src/core/ngx_slab.c
+++ b/src/core/ngx_slab.c
@@ -635,10 +635,9 @@ ngx_slab_free_locked(ngx_slab_pool_t *pool, void *p)
             goto fail;
         }
 
-        n = ((u_char *) p - pool->start) >> ngx_pagesize_shift;
         size = slab & ~NGX_SLAB_PAGE_START;
 
-        ngx_slab_free_pages(pool, &pool->pages[n], size);
+        ngx_slab_free_pages(pool, page, size);
 
         ngx_slab_junk(p, size << ngx_pagesize_shift);