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From: Mina Almasry <almasrymina@google.com>
To: David Rientjes <rientjes@google.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>,
	Shakeel Butt <shakeelb@google.com>, shuah <shuah@kernel.org>,
	Greg Thelen <gthelen@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	open list <linux-kernel@vger.kernel.org>,
	linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
	cgroups@vger.kernel.org,
	Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>
Subject: Re: [PATCH v10 1/8] hugetlb_cgroup: Add hugetlb_cgroup reservation counter
Date: Mon, 3 Feb 2020 15:16:21 -0800
Message-ID: <CAHS8izNq17U6i-RzHZ6tCOVQza_CGngJc0X2ZmqPHTH7y4kfdg@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.21.2001291303230.175731@chino.kir.corp.google.com>

> > Proposed Solution:
> > A new page counter named
> > 'hugetlb.xMB.reservation_[limit|usage|max_usage]_in_bytes'. This counter has
> > slightly different semantics than
> > 'hugetlb.xMB.[limit|usage|max_usage]_in_bytes':
> >
>
> Changelog looks like it needs to be updated with the new resv naming.
>

I updated to the rsvd naming, which you suggested earlier and Mike
agreed was better.

> > +
> >  static inline
> >  struct hugetlb_cgroup *hugetlb_cgroup_from_css(struct cgroup_subsys_state *s)
> >  {
>
> Small nit: hugetlb_cgroup_get_counter(), to me, implies incrementing a
> reference count, perhaps a better name would be in order.  No strong
> preference.
>

Changed
> >       /* Add the events file */
> > -     cft = &h->cgroup_files_dfl[2];
> > +     cft = &h->cgroup_files_dfl[4];
> >       snprintf(cft->name, MAX_CFTYPE_NAME, "%s.events", buf);
> >       cft->private = MEMFILE_PRIVATE(idx, 0);
> >       cft->seq_show = hugetlb_events_show;
>
> Any cleanup to __hugetlb_cgroup_file_dfl_init() and
> __hugetlb_cgroup_file_legacy_init() that is possible would be great in a
> follow-up patch :)
>

Will do!

> Other than that, this looks very straight forward.
>
> Acked-by: David Rientjes <rientjes@google.com>

      reply index

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-15  1:26 Mina Almasry
2020-01-15  1:26 ` [PATCH v10 2/8] hugetlb_cgroup: add interface for charge/uncharge hugetlb reservations Mina Almasry
2020-01-17 19:26   ` Mike Kravetz
2020-01-17 19:34     ` Mina Almasry
2020-01-29 21:21   ` David Rientjes
2020-01-30  0:41     ` Mike Kravetz
2020-01-15  1:26 ` [PATCH v10 3/8] hugetlb_cgroup: add reservation accounting for private mappings Mina Almasry
2020-01-17 22:57   ` Mike Kravetz
2020-01-29 21:28   ` David Rientjes
2020-02-03 23:17     ` Mina Almasry
2020-01-15  1:26 ` [PATCH v10 4/8] hugetlb: disable region_add file_region coalescing Mina Almasry
2020-01-21 18:50   ` Mike Kravetz
2020-01-15  1:26 ` [PATCH v10 5/8] hugetlb_cgroup: add accounting for shared mappings Mina Almasry
2020-01-15  1:26 ` [PATCH v10 6/8] hugetlb_cgroup: support noreserve mappings Mina Almasry
2020-01-15  1:26 ` [PATCH v10 7/8] hugetlb_cgroup: Add hugetlb_cgroup reservation tests Mina Almasry
2020-01-23  9:15   ` Sandipan Das
2020-01-23 20:05     ` Mina Almasry
2020-01-29 21:00     ` David Rientjes
2020-01-30  6:11       ` Sandipan Das
2020-02-03 23:18         ` Mina Almasry
2020-01-15  1:26 ` [PATCH v10 8/8] hugetlb_cgroup: Add hugetlb_cgroup reservation docs Mina Almasry
2020-01-16 22:44 ` [PATCH v10 1/8] hugetlb_cgroup: Add hugetlb_cgroup reservation counter Mike Kravetz
2020-01-29 21:09 ` David Rientjes
2020-02-03 23:16   ` Mina Almasry [this message]

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