From: David Rientjes <rientjes@google.com>
To: Gavin Shan <shangw@linux.vnet.ibm.com>
Cc: linux-mm@kvack.org, mhocko@suse.cz, dave@linux.vnet.ibm.com,
hannes@cmpxchg.org, akpm@linux-foundation.org
Subject: Re: [PATCH v2 1/3] mm/sparse: optimize sparse_index_alloc
Date: Wed, 27 Jun 2012 15:10:51 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1206271510390.22985@chino.kir.corp.google.com> (raw)
In-Reply-To: <1340814968-2948-1-git-send-email-shangw@linux.vnet.ibm.com>
On Thu, 28 Jun 2012, Gavin Shan wrote:
> With CONFIG_SPARSEMEM_EXTREME, the two level of memory section
> descriptors are allocated from slab or bootmem. When allocating
> from slab, let slab/bootmem allocator to clear the memory chunk.
> We needn't clear that explicitly.
>
> Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
> Reviewed-by: Michal Hocko <mhocko@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
--
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:[~2012-06-27 22:10 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-27 16:36 Gavin Shan
2012-06-27 16:36 ` [PATCH v2 2/3] mm/sparse: fix possible memory leak Gavin Shan
2012-06-27 17:01 ` Dave Hansen
2012-06-28 6:03 ` Gavin Shan
2012-06-28 14:54 ` Dave Hansen
2012-07-01 13:26 ` Gavin Shan
2012-06-27 22:07 ` David Rientjes
2012-06-28 6:16 ` Gavin Shan
2012-06-28 21:34 ` David Rientjes
2012-07-01 13:41 ` Gavin Shan
2012-06-28 12:57 ` Michal Hocko
2012-06-29 1:22 ` Gavin Shan
2012-06-27 16:36 ` [PATCH v2 3/3] mm/sparse: more check on mem_section number Gavin Shan
2012-06-27 22:06 ` David Rientjes
2012-06-27 22:14 ` Dave Hansen
2012-06-28 6:18 ` Gavin Shan
2012-06-27 22:10 ` David Rientjes [this message]
2012-06-28 12:52 ` [PATCH v2 1/3] mm/sparse: optimize sparse_index_alloc Michal Hocko
2012-06-29 1:20 ` Gavin Shan
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=alpine.DEB.2.00.1206271510390.22985@chino.kir.corp.google.com \
--to=rientjes@google.com \
--cc=akpm@linux-foundation.org \
--cc=dave@linux.vnet.ibm.com \
--cc=hannes@cmpxchg.org \
--cc=linux-mm@kvack.org \
--cc=mhocko@suse.cz \
--cc=shangw@linux.vnet.ibm.com \
/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