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From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Andi Kleen <ak@linux.intel.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Subject: Re: [PATCH v2] smaps: Report correct page sizes with THP
Date: Tue, 3 Mar 2026 17:14:45 +0100	[thread overview]
Message-ID: <3fb43e7e-8e00-4cd7-84e0-da4c88231b08@kernel.org> (raw)
In-Reply-To: <aacGi1DEZoc00Sv7@tassilo>

On 3/3/26 17:04, Andi Kleen wrote:
> 
> BTW your comment earlier about partially mapped compound pages made 
> me reconsider the code and unless I'm missing something the accounting
> is all wrong for this case anyways in the current code.
> 
> The code currently calls smaps_account for every PTE, which will happily
> account the complete compound page

I suggest you re-read the code and realize how the misleading "compound"
parameter is used.

-- 
Cheers,

David


  reply	other threads:[~2026-03-03 16:14 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-25 23:27 [PATCH v2] smaps: Report correct page sizes with THP Andi Kleen
2026-02-26 12:08 ` Usama Arif
2026-03-01 17:20   ` Andi Kleen
2026-02-26 17:31 ` David Hildenbrand (Arm)
2026-03-01 17:35   ` Andi Kleen
2026-03-02 19:29     ` David Hildenbrand (Arm)
2026-03-02 20:41       ` Andi Kleen
2026-03-02 21:05         ` David Hildenbrand (Arm)
2026-03-02 21:48           ` Andi Kleen
2026-03-03  9:05             ` David Hildenbrand (Arm)
2026-03-03  9:39             ` Lorenzo Stoakes
2026-03-03 15:34               ` Andi Kleen
2026-03-03 16:29                 ` Lorenzo Stoakes
2026-03-03 16:04           ` Andi Kleen
2026-03-03 16:14             ` David Hildenbrand (Arm) [this message]
2026-03-03  9:27 ` Lorenzo Stoakes

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