From: Andrey Ryabinin <a.ryabinin@samsung.com>
To: David Rientjes <rientjes@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, Christoph Lameter <cl@linux.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Pekka Enberg <penberg@kernel.org>
Subject: Re: [PATCH 1/3] mm: sl[aou]b: introduce kmem_cache_zalloc_node()
Date: Thu, 20 Nov 2014 11:47:21 +0300 [thread overview]
Message-ID: <546DAA99.5070402@samsung.com> (raw)
In-Reply-To: <alpine.DEB.2.10.1411191545210.32057@chino.kir.corp.google.com>
On 11/20/2014 02:46 AM, David Rientjes wrote:
> On Mon, 10 Nov 2014, Andrey Ryabinin wrote:
>
>> kmem_cache_zalloc_node() allocates zeroed memory for a particular
>> cache from a specified memory node. To be used for struct irq_desc.
>>
>
> Is there a reason to add this for such a specialized purpose to the slab
> allocator? I think it can just be handled for struct irq_desc explicitly.
>
It could be used not only for irq_desc. Grepping sources gave me 7 possible users.
We already have zeroing variants of kmalloc/kmalloc_node/kmem_cache_alloc,
so why kmem_cache_alloc_node is special?
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2014-11-20 8:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-10 12:06 Andrey Ryabinin
2014-11-19 23:46 ` David Rientjes
2014-11-20 8:47 ` Andrey Ryabinin [this message]
2014-11-20 20:03 ` Christoph Lameter
2014-11-20 22:31 ` David Rientjes
2014-11-21 6:29 ` Andrey Ryabinin
2014-11-21 9:57 ` David Rientjes
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=546DAA99.5070402@samsung.com \
--to=a.ryabinin@samsung.com \
--cc=akpm@linux-foundation.org \
--cc=cl@linux.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=penberg@kernel.org \
--cc=rientjes@google.com \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox