From: Christoph Lameter <cl@linux.com>
To: Vladimir Davydov <vdavydov@parallels.com>
Cc: akpm@linux-foundation.org, penberg@kernel.org,
gthelen@google.com, hannes@cmpxchg.org, mhocko@suse.cz,
glommer@gmail.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, devel@openvz.org
Subject: Re: [PATCH -mm] slab: document kmalloc_order
Date: Fri, 11 Apr 2014 10:57:54 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.10.1404111057390.13278@nuc> (raw)
In-Reply-To: <1397220736-13840-1-git-send-email-vdavydov@parallels.com>
On Fri, 11 Apr 2014, Vladimir Davydov wrote:
> diff --git a/mm/slab_common.c b/mm/slab_common.c
> index cab4c49b3e8c..3ffd2e76b5d2 100644
> --- a/mm/slab_common.c
> +++ b/mm/slab_common.c
> @@ -573,6 +573,11 @@ void __init create_kmalloc_caches(unsigned long flags)
> }
> #endif /* !CONFIG_SLOB */
>
> +/*
> + * To avoid unnecessary overhead, we pass through large allocation requests
> + * directly to the page allocator. We use __GFP_COMP, because we will need to
> + * know the allocation order to free the pages properly in kfree.
> + */
> void *kmalloc_order(size_t size, gfp_t flags, unsigned int order)
> {
> void *ret;
>
??? kmalloc_order is defined in include/linux/slab.h
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next prev parent reply other threads:[~2014-04-11 15:58 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-01 7:38 [PATCH -mm v2 0/2] cleanup kmemcg charging (was: "kmemcg: get rid of __GFP_KMEMCG") Vladimir Davydov
2014-04-01 7:38 ` [PATCH -mm v2 1/2] sl[au]b: charge slabs to kmemcg explicitly Vladimir Davydov
2014-04-02 0:49 ` Greg Thelen
2014-04-01 7:38 ` [PATCH -mm v2 2/2] mm: get rid of __GFP_KMEMCG Vladimir Davydov
2014-04-02 0:48 ` Greg Thelen
2014-04-02 6:11 ` Vladimir Davydov
2014-04-02 6:16 ` [PATCH -mm v2.1] " Vladimir Davydov
2014-04-02 21:25 ` Greg Thelen
2014-04-03 15:04 ` Vladimir Davydov
2014-04-03 15:05 ` [PATCH -mm v2.2] " Vladimir Davydov
2014-04-10 23:38 ` Andrew Morton
2014-04-11 12:52 ` [PATCH -mm] slab: document kmalloc_order Vladimir Davydov
2014-04-11 15:57 ` Christoph Lameter [this message]
2014-04-11 17:24 ` Vladimir Davydov
2014-04-11 16:07 ` [PATCH -mm v2.2] mm: get rid of __GFP_KMEMCG Christoph Lameter
2014-04-11 17:33 ` Vladimir Davydov
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