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From: Johannes Weiner <hannes@cmpxchg.org>
To: Muchun Song <songmuchun@bytedance.com>
Cc: gregkh@linuxfoundation.org, rafael@kernel.org,
	adobriyan@gmail.com, akpm@linux-foundation.org,
	mhocko@kernel.org, vdavydov.dev@gmail.com, hughd@google.com,
	will@kernel.org, guro@fb.com, rppt@kernel.org,
	tglx@linutronix.de, esyr@redhat.com, peterx@redhat.com,
	krisman@collabora.com, surenb@google.com, avagin@openvz.org,
	elver@google.com, rdunlap@infradead.org, iamjoonsoo.kim@lge.com,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org, cgroups@vger.kernel.org
Subject: Re: [RESEND PATCH v2 02/12] mm: memcontrol: convert NR_ANON_THPS account to pages
Date: Thu, 10 Dec 2020 17:10:29 +0100	[thread overview]
Message-ID: <20201210161029.GI264602@cmpxchg.org> (raw)
In-Reply-To: <20201206101451.14706-3-songmuchun@bytedance.com>

On Sun, Dec 06, 2020 at 06:14:41PM +0800, Muchun Song wrote:
> @@ -1144,7 +1144,8 @@ void do_page_add_anon_rmap(struct page *page,
>  		 * disabled.
>  		 */
>  		if (compound)
> -			__inc_lruvec_page_state(page, NR_ANON_THPS);
> +			__mod_lruvec_page_state(page, NR_ANON_THPS,
> +						HPAGE_PMD_NR);
>  		__mod_lruvec_page_state(page, NR_ANON_MAPPED, nr);

What I mistakenly wrote about the previous patch applies to this and
the following patches, though:

/proc/vmstat currently prints number of anon, file and shmem THPs; you
are changing it to print number of 4k pages in those THPs.

That's an ABI change we cannot really do.


  reply	other threads:[~2020-12-10 16:12 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-06 10:14 [RESEND PATCH v2 00/12] Convert all vmstat counters to pages or bytes Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 01/12] mm: memcontrol: fix NR_ANON_THPS account Muchun Song
2020-12-07 12:52   ` Michal Hocko
2020-12-10 16:00   ` Johannes Weiner
2020-12-10 16:02     ` Johannes Weiner
2020-12-10 16:04   ` Johannes Weiner
2020-12-10 16:56     ` [External] " Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 02/12] mm: memcontrol: convert NR_ANON_THPS account to pages Muchun Song
2020-12-10 16:10   ` Johannes Weiner [this message]
2020-12-10 17:05     ` [External] " Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 03/12] mm: memcontrol: convert NR_FILE_THPS " Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 04/12] mm: memcontrol: convert NR_SHMEM_THPS " Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 05/12] mm: memcontrol: convert NR_SHMEM_PMDMAPPED " Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 06/12] mm: memcontrol: convert NR_FILE_PMDMAPPED " Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 07/12] mm: memcontrol: convert kernel stack account to bytes Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 08/12] mm: memcontrol: convert NR_KERNEL_SCS_KB " Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 09/12] mm: memcontrol: convert vmstat slab counters " Muchun Song
2020-12-07 19:46   ` Roman Gushchin
2020-12-07 20:01     ` Roman Gushchin
2020-12-08  2:44     ` [External] " Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 10/12] mm: memcontrol: scale stat_threshold for byted-sized vmstat Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 11/12] mm: memcontrol: make the slab calculation consistent Muchun Song
2020-12-06 10:14 ` [RESEND PATCH v2 12/12] mm: memcontrol: remove {global_}node_page_state_pages Muchun Song
2020-12-07 13:00 ` [RESEND PATCH v2 00/12] Convert all vmstat counters to pages or bytes Michal Hocko
2020-12-07 14:52   ` [External] " Muchun Song
2020-12-07 15:02     ` Michal Hocko
2020-12-07 18:51       ` Randy Dunlap
2020-12-08  2:29         ` Muchun Song
2020-12-07 19:51       ` Roman Gushchin
2020-12-07 20:33         ` Hugh Dickins
2020-12-08  2:42           ` Muchun Song
2020-12-08  2:40       ` Muchun Song

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