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

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Message-ID: <20250306191024.842888-1-sj@kernel.org>
Date: Thu,  6 Mar 2025 11:10:23 -0800
From: SeongJae Park <sj@...nel.org>
To: Shakeel Butt <shakeel.butt@...ux.dev>
Cc: SeongJae Park <sj@...nel.org>,
	"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 Thu, 6 Mar 2025 10:36:08 -0800 Shakeel Butt <shakeel.butt@...ux.dev> wrote:

> 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.

I will do so in the next version.


Thanks,
SJ