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From: Andrew Morton <akpm@linux-foundation.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] execmem: enforce allocation size aligment to PAGE_SIZE
Date: Wed, 23 Apr 2025 14:36:50 -0700	[thread overview]
Message-ID: <20250423143650.6595dcc7178351b62c31782c@linux-foundation.org> (raw)
In-Reply-To: <20250423144808.1619863-1-rppt@kernel.org>

On Wed, 23 Apr 2025 17:48:07 +0300 Mike Rapoport <rppt@kernel.org> wrote:

> Before introduction of ROX cache execmem allocation size was always
> implicitly aligned to PAGE_SIZE inside vmalloc.
> 
> However, when allocation happens from the ROX cache, this is not
> enforced.
> 
> Make sure that the allocation size is always consistently aligned to
> PAGE_SIZE.

Does this have any known runtime effect?

  parent reply	other threads:[~2025-04-23 21:36 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-23 14:48 Mike Rapoport
2025-04-23 14:56 ` Peter Zijlstra
2025-04-23 21:36 ` Andrew Morton [this message]
2025-04-24  5:50   ` Mike Rapoport
2025-04-24  8:53   ` Peter Zijlstra

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