linux-kernel - Re: [PATCH 0/3] mm/vmalloc: Cache the /proc/meminfo vmalloc statistics

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Message-ID: <CA+55aFzgqtZj6_kRUbh5CrSNQtJ+es3cndnJXfBL-uA_CEfqrg@mail.gmail.com>
Date:	Sat, 22 Aug 2015 07:36:56 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, Dave Hansen <dave@...1.net>,
	Peter Zijlstra <peterz@...radead.org>,
	David Rientjes <rientjes@...gle.com>,
	Rik van Riel <riel@...hat.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: Re: [PATCH 0/3] mm/vmalloc: Cache the /proc/meminfo vmalloc statistics

On Sat, Aug 22, 2015 at 3:44 AM, Ingo Molnar <mingo@...nel.org> wrote:
>
> Would something like this be acceptable (and is it correct)?

I don't think any of this can be called "correct", in that the
unlocked accesses to the cached state are clearly racy, but I think
it's very much "acceptable".

                   Linus
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