linux-kernel - Re: [RFC PATCH 10/16] mm/madvise: let madvise_dontneed_single

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Message-ID: <hacxdm53iyd3xevvzcap65mtg5rgtwlpzur3q4lj5qjeejcht5@rnhloth5o3c5>
Date: Thu, 6 Mar 2025 10:36:08 -0800
From: Shakeel Butt <shakeel.butt@...ux.dev>
To: SeongJae Park <sj@...nel.org>
Cc: "Liam R. Howlett" <howlett@...il.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, David Hildenbrand <david@...hat.com>, 
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, kernel-team@...a.com, 
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [RFC PATCH 10/16] mm/madvise: let madvise_dontneed_single_vma()
 caller batches tlb flushes

On Wed, Mar 05, 2025 at 10:16:05AM -0800, SeongJae Park wrote:
> Update madvise_dontneed_single_vma() function so that the caller can
> pass an mmu_gather object that should be initialized and will be
> finished outside, for batched tlb flushes.  Also modify
> madvise_dontneed_single_vma() internal code to support such usage by
> skipping the initialization and finishing of self-allocated mmu_gather
> object if it received a valid mmu_gather object.
> 
> Signed-off-by: SeongJae Park <sj@...nel.org>

Please squash patch 10 and 11.