linux-kernel - Re: [PATCH -next v3 0/5] Delay the initializaton of zswap

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220827151306.879ec27ea7314a543c5f60f6@linux-foundation.org>
Date:   Sat, 27 Aug 2022 15:13:06 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Liu Shixin <liushixin2@...wei.com>
Cc:     Seth Jennings <sjenning@...hat.com>,
        Dan Streetman <ddstreet@...e.org>,
        Vitaly Wool <vitaly.wool@...sulko.com>,
        Nathan Chancellor <nathan@...nel.org>,
        "Christoph Hellwig" <hch@....de>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: [PATCH -next v3 0/5] Delay the initializaton of zswap

On Sat, 27 Aug 2022 18:45:55 +0800 Liu Shixin <liushixin2@...wei.com> wrote:

> In the initialization of zswap, about 18MB memory will be allocated for       
> zswap_pool. Since not all users use zswap, the memory may be wasted. Save  
> the memory for these users by delaying the initialization of zswap to         
> first enablement.                                                             
>                                                                               
> v2->v3: Fix frontswap_ops NULL reported by Nathan and add init for online
> swap device in backend register.
> v1->v2: Change init_zswap to zswap_init suggested by Andrew.

Thanks.  Konrad, could you please take a look for the frontswap
changes?