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42.hyeyoo@gmail.com; cl@linux.com; linux-mm@kvack.org= ; > penberg@kernel.org; rientjes@google.com; iamjoonsoo.kim@lge.com; > roman.gushchin@linux.dev; corbet@lwn.net; arnd@arndb.de; akpm@linux- > foundation.org; gregkh@linuxfoundation.org; linux-doc@vger.kernel.org; li= nux- > kernel@vger.kernel.org; Song, Xiongwei > Subject: Re: [RFC PATCH 2/3] mm/slub: unify all sl[au]b parameters with "= slab_$param" >=20 > CAUTION: This email comes from a non Wind River email account! > Do not click links or open attachments unless you recognize the sender an= d know the > content is safe. >=20 > On Fri, Dec 01, 2023 at 11:15:04AM +0800, sxwjean@me.com wrote: > > From: Xiongwei Song > > > > Since the SLAB allocator has been removed, so we need to clean up the > > sl[au]b_$params. However, the "slab/SLAB" terms should be keep for > > long-term rather than "slub/SLUB". Hence, we should use "slab_$param" > > as the primary prefix, which is pointed out by Vlastimil Babka. For mor= e > > information please see [1]. > > > > This patch is changing the following slab parameters > > - slub_max_order > > - slub_min_order > > - slub_min_objects > > - slub_debug > > to > > - slab_max_order > > - slab_min_order > > - slab_min_objects > > - slab_debug > > as the primary slab parameters in > > Documentation/admin-guide/kernel-parameters.txt and source, and rename = all > > setup functions of them too. Meanwhile, "slub_$params" can also be pass= ed > > by command line, which is to keep backward compatibility. Also mark all > > "slub_$params" as legacy. >=20 > *If* we do this, I think the old names need to be recognized, perhaps > with a boot pr_warn() about their deprecation/renaming for several > releases (likely across LTSes). I think it's not a good idea to > wholesale rename these with no warning. That's going to cause a lot of > surprises and broken userspace... Oh, yes, that's a good idea. Will update. Regards, Xiongwei >=20 > -- > Kees Cook