linux-kernel - Re: [RFC PATCH 12/16] mm/madvise: batch tlb flushes for process_madvise(MADV_DONTNEED[

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Message-ID: <20250306191147.843453-1-sj@kernel.org>
Date: Thu,  6 Mar 2025 11:11:46 -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 12/16] mm/madvise: batch tlb flushes for process_madvise(MADV_DONTNEED[_LOCKED])

On Thu, 6 Mar 2025 10:36:43 -0800 Shakeel Butt <shakeel.butt@...ux.dev> wrote:

> On Wed, Mar 05, 2025 at 10:16:07AM -0800, SeongJae Park wrote:
> > MADV_DONTNEED[_LOCKED] internal logic can be invoked with batched tlb
> > flushes.  Update vector_madvise(), which is called for
> > process_madvise(), to use that in the way, by passing an mmu_gather
> > object that it initializes before starting the internal works, and
> > flushing the gathered tlb entries at once after all the internal works
> > are done.
> > 
> > Signed-off-by: SeongJae Park <sj@...nel.org>
> 
> Please squash 12, 13 and 14 patches.

Surely I will do so in the next spin, for all your squash requests, inlcuding
that for 15th and 16th patches.


Thanks,
SJ