NGX_SLAB_EXACT    271 core/ngx_slab.c                             page->prev = NGX_SLAB_EXACT;
NGX_SLAB_EXACT    367 core/ngx_slab.c             page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_EXACT;
NGX_SLAB_EXACT    489 core/ngx_slab.c     case NGX_SLAB_EXACT:
NGX_SLAB_EXACT    508 core/ngx_slab.c                 page->prev = (uintptr_t) &slots[slot] | NGX_SLAB_EXACT;
NGX_SLAB_EXACT    509 core/ngx_slab.c                 page->next->prev = (uintptr_t) page | NGX_SLAB_EXACT;