NGX_SLAB_PAGE_MASK  233 core/ngx_slab.c                                             (page->prev & ~NGX_SLAB_PAGE_MASK);
NGX_SLAB_PAGE_MASK  266 core/ngx_slab.c                                             (page->prev & ~NGX_SLAB_PAGE_MASK);
NGX_SLAB_PAGE_MASK  308 core/ngx_slab.c                                             (page->prev & ~NGX_SLAB_PAGE_MASK);
NGX_SLAB_PAGE_MASK  430 core/ngx_slab.c     type = page->prev & NGX_SLAB_PAGE_MASK;
NGX_SLAB_PAGE_MASK  682 core/ngx_slab.c         prev = (ngx_slab_page_t *) (page->prev & ~NGX_SLAB_PAGE_MASK);