linux-kernel - Re: [PATCH] mm: slab: Only move management objects off-slab for sizes larger than KMALLOC_MIN

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Message-ID: <alpine.DEB.2.20.1511051139220.28479@east.gentwo.org>
Date:	Thu, 5 Nov 2015 11:39:46 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Catalin Marinas <catalin.marinas@....com>
cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] mm: slab: Only move management objects off-slab for
 sizes larger than KMALLOC_MIN_SIZE

On Thu, 5 Nov 2015, Catalin Marinas wrote:

> This patch introduces an OFF_SLAB_MIN_SIZE macro which takes
> KMALLOC_MIN_SIZE into account. It also solves a slab bug on arm64 where
> the first kmalloc_cache to be initialised after slab_early_init = 0,
> "kmalloc-128", fails to allocate off-slab management objects from the
> same "kmalloc-128" cache.

Acked-by: Christoph Lameter <cl@...ux.com>
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