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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: [PATCH 3/3] mm/slub: correct the default value of slub_min_o= bjects in doc >=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 11:15:05AM +0800, sxwjean@me.com wrote: > > From: Xiongwei Song > > > > There is no a value assigned to slub_min_objects by default, it awlays > ^^^^^^ > > is 0 that is intailized by compiler if no assigned value by command lin= e. > ^^^^^^^^^^ > > min_objects is calculated based on proccessor numbers in > ^^^^^^^^^^ > > calculate_order(). For more details, see commit 9b2cd506e5f2 ("slub: > > Calculate min_objects based on number of processors.") >=20 > nit: multiple spelling mistakes here. Please double-check commit logs > with a spell checker. :) Sorry for those mistakes. Will update. Regards, Xiongwei >=20 > > > > Signed-off-by: Xiongwei Song > > --- > > Documentation/mm/slub.rst | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/Documentation/mm/slub.rst b/Documentation/mm/slub.rst > > index be75971532f5..1f4399581449 100644 > > --- a/Documentation/mm/slub.rst > > +++ b/Documentation/mm/slub.rst > > @@ -150,7 +150,7 @@ list_lock once in a while to deal with partial slab= s. That overhead is > > governed by the order of the allocation for each slab. The allocations > > can be influenced by kernel parameters: > > > > -.. slub_min_objects=3Dx (default 4) > > +.. slub_min_objects=3Dx (default 0) > > .. slub_min_order=3Dx (default 0) > > .. slub_max_order=3Dx (default 3 (PAGE_ALLOC_COSTLY_ORDER)) >=20 > But otherwise, yes, this change matches what the code does. >=20 > -Kees >=20 > -- > Kees Cook