linux-kernel - Re: [PATCH 3/4] mm: replace rw_semaphore with atomic_t in vma

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Message-ID: <Z1x6rmsfUjlU5evJ@casper.infradead.org>
Date: Fri, 13 Dec 2024 18:19:26 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Suren Baghdasaryan <surenb@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, akpm@...ux-foundation.org,
	liam.howlett@...cle.com, lorenzo.stoakes@...cle.com,
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	hughd@...gle.com, minchan@...gle.com, jannh@...gle.com,
	shakeel.butt@...ux.dev, souravpanda@...gle.com,
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	linux-kernel@...r.kernel.org, kernel-team@...roid.com
Subject: Re: [PATCH 3/4] mm: replace rw_semaphore with atomic_t in vma_lock

On Fri, Dec 13, 2024 at 09:45:33AM -0800, Suren Baghdasaryan wrote:
> think the simplest way would be to move the definition of struct
> rcuwait into a separate header and include that header in mm_types.h.
> That, with some uninlining like you suggested, should do the trick.

I'd suggest struct rcuwait should live in types.h alongside list_head,
rcuref and so on.