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From: Rik van Riel <riel@fb.com>
To: Johannes Weiner <hannes@cmpxchg.org>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>, <linux-mm@kvack.org>,
	<cgroups@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<kernel-team@fb.com>
Subject: Re: [PATCH] mm: memcontrol: add file_thp, shmem_thp to memory.stat
Date: Thu, 22 Oct 2020 12:49:34 -0400	[thread overview]
Message-ID: <db4f86f30726a1a33c868155b4c681ac25569179.camel@fb.com> (raw)
In-Reply-To: <20201022151844.489337-1-hannes@cmpxchg.org>

On Thu, 2020-10-22 at 11:18 -0400, Johannes Weiner wrote:

> index e80aa9d2db68..334ce608735c 100644
> --- a/mm/filemap.c
> +++ b/mm/filemap.c
> @@ -204,9 +204,9 @@ static void unaccount_page_cache_page(struct
> address_space *mapping,
>  	if (PageSwapBacked(page)) {
>  		__mod_lruvec_page_state(page, NR_SHMEM, -nr);
>  		if (PageTransHuge(page))
> -			__dec_node_page_state(page, NR_SHMEM_THPS);
> +			__dec_lruvec_page_state(page, NR_SHMEM_THPS);
>  	} else if (PageTransHuge(page)) {
> -		__dec_node_page_state(page, NR_FILE_THPS);
> +		__dec_lruvec_page_state(page, NR_FILE_THPS);
>  		filemap_nr_thps_dec(mapping);
>  	}

This may be a dumb question, but does that mean the
NR_FILE_THPS number will no longer be visible in
/proc/vmstat or is there some magic I overlooked in
a cursory look of the code?




  reply	other threads:[~2020-10-22 16:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-22 15:18 Johannes Weiner
2020-10-22 16:49 ` Rik van Riel [this message]
2020-10-22 16:57   ` Rik van Riel
2020-10-22 18:29     ` Johannes Weiner
2020-10-22 16:51 ` Shakeel Butt
2020-10-22 18:00 ` David Rientjes
2020-10-23  7:42 ` Michal Hocko
2020-10-25 18:37 ` Andrew Morton
2020-10-26 17:40   ` Johannes Weiner
2020-10-26 20:24 ` Song Liu

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