From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <vdavydov.dev@gmail.com>
Date: Mon, 20 May 2019 15:55:39 +0300
From: Vladimir Davydov <vdavydov.dev@gmail.com>
Subject: Re: [PATCH v5 1/2] slab_arena: Enhance slab_arena_create to support
 madvise hints
Message-ID: <20190520125538.fwvy2lj53bhvwdzj@esperanza>
References: <20190516214559.3310-1-gorcunov@gmail.com>
 <20190516214559.3310-2-gorcunov@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20190516214559.3310-2-gorcunov@gmail.com>
To: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: tml <tarantool-patches@freelists.org>, Alexander Turenko <alexander.turenko@tarantool.org>
List-ID: <tarantool-patches.dev.tarantool.org>

On Fri, May 17, 2019 at 12:45:58AM +0300, Cyrill Gorcunov wrote:
> @@ -157,6 +206,9 @@ slab_arena_create(struct slab_arena *arena, struct quota *quota,
>  	} else {
>  		arena->arena = NULL;
>  	}
> +
> +	madvise_checked(arena->arena, arena->slab_size, arena->flags);
> +

Apparently, you should use arena->prealloc here. Fixed and pushed the
patch set to master (both tarantool and tarantool-small).