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From: Andrew Morton <akpm@linux-foundation.org>
To: Sourav Panda <souravpanda@google.com>
Cc: corbet@lwn.net, gregkh@linuxfoundation.org, rafael@kernel.org,
	mike.kravetz@oracle.com, muchun.song@linux.dev, rppt@kernel.org,
	david@redhat.com, rdunlap@infradead.org,
	chenlinxuan@uniontech.com, yang.yang29@zte.com.cn,
	tomas.mudrunka@gmail.com, bhelgaas@google.com,
	ivan@cloudflare.com, pasha.tatashin@soleen.com,
	yosryahmed@google.com, hannes@cmpxchg.org, shakeelb@google.com,
	kirill.shutemov@linux.intel.com, wangkefeng.wang@huawei.com,
	adobriyan@gmail.com, vbabka@suse.cz, Liam.Howlett@Oracle.com,
	surenb@google.com, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-mm@kvack.org, willy@infradead.org, weixugc@google.com
Subject: Re: [PATCH v8 1/1] mm: report per-page metadata information
Date: Thu, 15 Feb 2024 16:14:41 -0800	[thread overview]
Message-ID: <20240215161441.c8a2350a61f6929c0dbe9e7b@linux-foundation.org> (raw)
In-Reply-To: <20240214225741.403783-2-souravpanda@google.com>

On Wed, 14 Feb 2024 14:57:40 -0800 Sourav Panda <souravpanda@google.com> wrote:

> Adds two new per-node fields, namely nr_memmap and nr_memmap_boot,
> to /sys/devices/system/node/nodeN/vmstat and a global Memmap field
> to /proc/meminfo. This information can be used by users to see how
> much memory is being used by per-page metadata, which can vary
> depending on build configuration, machine architecture, and system
> use.

Would this information be available by the proposed memory
allocation profiling?

https://lkml.kernel.org/r/20240212213922.783301-1-surenb@google.com


  reply	other threads:[~2024-02-16  0:14 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-14 22:57 [PATCH v8 0/1] " Sourav Panda
2024-02-14 22:57 ` [PATCH v8 1/1] " Sourav Panda
2024-02-16  0:14   ` Andrew Morton [this message]
2024-02-16  0:39     ` Suren Baghdasaryan

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