linux-kernel - RE: [PATCH v2 0/3] supplement of slab allocator removal

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Date:   Fri, 8 Dec 2023 02:03:32 +0000
From:   "Song, Xiongwei" <Xiongwei.Song@...driver.com>
To:     Vlastimil Babka <vbabka@...e.cz>,
        "sxwjean@...com" <sxwjean@...com>,
        "42.hyeyoo@...il.com" <42.hyeyoo@...il.com>,
        "cl@...ux.com" <cl@...ux.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>
CC:     "penberg@...nel.org" <penberg@...nel.org>,
        "rientjes@...gle.com" <rientjes@...gle.com>,
        "iamjoonsoo.kim@....com" <iamjoonsoo.kim@....com>,
        "roman.gushchin@...ux.dev" <roman.gushchin@...ux.dev>,
        "corbet@....net" <corbet@....net>,
        "keescook@...omium.org" <keescook@...omium.org>,
        "arnd@...db.de" <arnd@...db.de>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 0/3] supplement of slab allocator removal



> -----Original Message-----
> From: Vlastimil Babka <vbabka@...e.cz>
> Sent: Thursday, December 7, 2023 12:13 AM
> To: sxwjean@...com; 42.hyeyoo@...il.com; cl@...ux.com; linux-
> mm@...ck.org
> Cc: penberg@...nel.org; rientjes@...gle.com; iamjoonsoo.kim@....com;
> roman.gushchin@...ux.dev; corbet@....net; keescook@...omium.org;
> arnd@...db.de; akpm@...ux-foundation.org; gregkh@...uxfoundation.org;
> linux-doc@...r.kernel.org; linux-kernel@...r.kernel.org; Song, Xiongwei
> <Xiongwei.Song@...driver.com>
> Subject: Re: [PATCH v2 0/3] supplement of slab allocator removal
> 
> On 12/3/23 01:14, sxwjean@...com wrote:
> > From: Xiongwei Song <xiongwei.song@...driver.com>
> >
> > Hi,
> >
> > Patch 1 is to remove an unused parameter. This patch actually is v3, but
> > it is not reasonable to add v3 tag in the cover letter, so I put the
> > change history inside the patch.
> >
> > ---
> > Patch 2 is to replace slub_$params with slab_$params.
> > Vlastimil Babka pointed out we should use "slab_$param" as the primary
> > prefix for long-term plan. Please see [1] for more information.
> >
> > This patch is to do that. However, the patch is big, I'm not sure if
> > everything is proper in it, so I added "RFC" in the patch title. For more
> > information please see the commit message of patch.
> >
> > I did the basic tests with qemu, which passed values by sl[au]b_max_order,
> > sl[au]b_min_order, sl[au]b_min_objects and sl[au]b_debug in command
> line.
> > The values looks correct by printing them out before calculating orders.
> >
> > One thing I'm not sure about the forth parameter of __setup_param(),
> > Is it correct to set the parameter to 0 directly?
> 
> Yep it's fine.

Thanks for the confirmation.