From: Andi Kleen <ak@linux.intel.com>
To: "David Hildenbrand (Arm)" <david@kernel.org>
Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
akpm@linux-foundation.org, willy@infradead.org
Subject: Re: [PATCH] smaps: Report correct page sizes with THP
Date: Thu, 12 Feb 2026 09:58:36 -0800 [thread overview]
Message-ID: <aY4UzC-X4a39wbG3@tassilo> (raw)
In-Reply-To: <94a21bda-5677-4949-a1df-3f0d90348021@kernel.org>
> We have AnonHugePages:, ShmemPmdMapped: and FilePmdMapped: that tell you
> exactly what you want to know.
.... if you know about it. I personally wasted a lot of time on it
because we trusted a lie.
>
> Especially the mixed thing is just nasty.
>
> Once we go into cont-pte territory (or automatic pte coalescing by hardware)
> it all gets confusing.
In this case it can be extended to more.
>
> Sorry, NAK.
Okay then just remove the page size if it's fictional outside hugetlb anyways?
I can send that patch too, but it would seem inferior.
-Andi
next prev parent reply other threads:[~2026-02-12 17:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-09 20:17 [PATCH] smaps: Report correct page sizes with THP Andi Kleen
2026-02-12 12:42 ` David Hildenbrand (Arm)
2026-02-12 17:58 ` Andi Kleen [this message]
2026-02-12 18:05 ` David Hildenbrand (Arm)
2026-02-21 0:03 ` jane.chu
-- strict thread matches above, loose matches on Subject: below --
2026-02-11 2:59 kernel test robot
2026-02-09 21:31 kernel test robot
2026-02-09 19:32 Andi Kleen
2026-02-09 20:04 ` Matthew Wilcox
2026-02-09 20:10 ` Andi Kleen
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