linux-kernel - Re: [PATCH 2/3] memcg/hugetlb: Introduce mem_cgroup_charge

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: <20241109205222.88428-1-sj@kernel.org>
Date: Sat,  9 Nov 2024 12:52:22 -0800
From: SeongJae Park <sj@...nel.org>
To: Joshua Hahn <joshua.hahnjy@...il.com>
Cc: SeongJae Park <sj@...nel.org>,
	shakeel.butt@...ux.dev,
	hannes@...xchg.org,
	mhocko@...nel.org,
	roman.gushchin@...ux.dev,
	muchun.song@...ux.dev,
	akpm@...ux-foundation.org,
	cgroups@...r.kernel.org,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	kernel-team@...a.com
Subject: Re: [PATCH 2/3] memcg/hugetlb: Introduce mem_cgroup_charge_hugetlb

On Sat, 9 Nov 2024 13:41:31 -0500 Joshua Hahn <joshua.hahnjy@...il.com> wrote:

> Hello SJ, thank you for reviewing my patch!
> 
> On Fri, Nov 8, 2024 at 8:03 PM SeongJae Park <sj@...nel.org> wrote:
> >
> > Hi Joshua,
> >
> > On Fri, 8 Nov 2024 13:29:45 -0800 Joshua Hahn <joshua.hahnjy@...il.com> wrote:
> >
> > > This patch introduces mem_cgroup_charge_hugetlb, which combines the
> > > logic of mem_cgroup{try,commit}_hugetlb. This reduces the footprint of
> >
> > Nit.  Seems the regular expression is not technically correct?
> 
> I see, I will change it expand it out to include both. What I meant to
> say is that it combines the functionality of both the functions, but
> I think there was a typo there. I will just expand it out so that it is
> more clear to readers!

Thank you :)

> 
> > > +int mem_cgroup_charge_hugetlb(struct folio *folio, gfp_t gfp)
> >
> > Can we add a kernel-doc comment for this function?  Maybe that for
> > mem_cgroup_hugetlb_try_charge() can be stolen with only small updates?
> 
> Yes, I can definitely add a kernel-doc for this function. Would
> you mind expanding on the "stolen only with small updates" part?
> Do you mean that instead of writing a completely new section
> in the kernel-doc, I can just change the name of the section
> and modify small parts of the description?

You're right.  I just thought that might save some of your time if that makes
sense.  I don't really mind about this, so do whatever as you prefer :)


Thanks,
SJ

[...]