linux-kernel - Re: [RFC PATCH v2 4/4] mm/madvise: remove redundant mmap_lock operations from process

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Message-ID: <tegdrecvkmmd5pkm77kaepl6yserrlbp5ujzzuosrqx5ivcdnr@lv5gldamle2e>
Date: Wed, 29 Jan 2025 11:20:31 -0800
From: Shakeel Butt <shakeel.butt@...ux.dev>
To: SeongJae Park <sj@...nel.org>
Cc: "Liam R. Howlett" <Liam.Howlett@...cle.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, David Hildenbrand <david@...hat.com>, 
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, linux-kernel@...r.kernel.org, 
	linux-mm@...ck.org
Subject: Re: [RFC PATCH v2 4/4] mm/madvise: remove redundant mmap_lock
 operations from process_madvise()

On Thu, Jan 16, 2025 at 05:30:58PM -0800, SeongJae Park wrote:
> Optimize redundant mmap lock operations from process_madvise() by
> directly doing the mmap locking first, and then the remaining works for
> all ranges in the loop.
> 
> Signed-off-by: SeongJae Park <sj@...nel.org>

Reviewed-by: Shakeel Butt <shakeel.butt@...ux.dev>