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Date: Wed, 3 Jan 2024 09:30:56 +0100
From: Oscar Salvador <osalvador@...e.de>
To: andrey.konovalov@...ux.dev
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Andrey Konovalov <andreyknvl@...il.com>,
	Marco Elver <elver@...gle.com>,
	Alexander Potapenko <glider@...gle.com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Vlastimil Babka <vbabka@...e.cz>, kasan-dev@...glegroups.com,
	Evgenii Stepanov <eugenis@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Andrey Konovalov <andreyknvl@...gle.com>
Subject: Re: [PATCH v4 06/22] lib/stackdepot: use fixed-sized slots for stack
 records

On Mon, Nov 20, 2023 at 06:47:04PM +0100, andrey.konovalov@...ux.dev wrote:
> From: Andrey Konovalov <andreyknvl@...gle.com>
> 
> Instead of storing stack records in stack depot pools one right after
> another, use fixed-sized slots.
> 
> Add a new Kconfig option STACKDEPOT_MAX_FRAMES that allows to select
> the size of the slot in frames. Use 64 as the default value, which is
> the maximum stack trace size both KASAN and KMSAN use right now.
> 
> Also add descriptions for other stack depot Kconfig options.
> 
> This is preparatory patch for implementing the eviction of stack records
> from the stack depot.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>

Reviewed-by: Oscar Salvador <osalvador@...e.de>


-- 
Oscar Salvador
SUSE Labs

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