From: Andrew Morton <akpm@linux-foundation.org>
To: Jiang Liu <liuj97@gmail.com>
Cc: David Rientjes <rientjes@google.com>,
Jiang Liu <jiang.liu@huawei.com>,
Wen Congyang <wency@cn.fujitsu.com>, Mel Gorman <mgorman@suse.de>,
Minchan Kim <minchan@kernel.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Michal Hocko <mhocko@suse.cz>, Jianguo Wu <wujianguo@huawei.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Sam Ravnborg <sam@ravnborg.org>,
sparclinux@vger.kernel.org
Subject: Re: [PATCH v2, part2 08/10] mm/SPARC: use free_highmem_page() to free highmem pages into buddy system
Date: Tue, 12 Mar 2013 14:42:15 -0700 [thread overview]
Message-ID: <20130312144215.1a92be86464bf82f81e3055e@linux-foundation.org> (raw)
In-Reply-To: <1362902470-25787-9-git-send-email-jiang.liu@huawei.com>
On Sun, 10 Mar 2013 16:01:08 +0800 Jiang Liu <liuj97@gmail.com> wrote:
> Use helper function free_highmem_page() to free highmem pages into
> the buddy system.
>
> ...
>
> --- a/arch/sparc/mm/init_32.c
> +++ b/arch/sparc/mm/init_32.c
> @@ -282,14 +282,8 @@ static void map_high_region(unsigned long start_pfn, unsigned long end_pfn)
> printk("mapping high region %08lx - %08lx\n", start_pfn, end_pfn);
> #endif
>
> - for (tmp = start_pfn; tmp < end_pfn; tmp++) {
> - struct page *page = pfn_to_page(tmp);
> -
> - ClearPageReserved(page);
> - init_page_count(page);
> - __free_page(page);
> - totalhigh_pages++;
> - }
> + for (tmp = start_pfn; tmp < end_pfn; tmp++)
> + free_higmem_page(pfn_to_page(tmp));
> }
This code isn't inside #ifdef CONFIG_HIGHMEM, but afaict that's OK
because CONFIG_HIGHMEM=n isn't possible on sparc32.
This patch and one other mistyped "free_highmem_page". I got lazy and
edited those patches in-place.
--
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:[~2013-03-12 21:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-10 8:01 [PATCH v2, part2 00/10] simplify initialization of highmem pages Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 01/10] mm: introduce free_highmem_page() helper to free highmem pages into buddy system Jiang Liu
2013-03-10 10:44 ` Pekka Enberg
2013-03-10 8:01 ` [PATCH v2, part2 02/10] mm/ARM: use free_highmem_page() " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 03/10] mm/FRV: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 04/10] mm/metag: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 05/10] mm/microblaze: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 06/10] mm/MIPS: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 07/10] mm/PPC: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 08/10] mm/SPARC: " Jiang Liu
2013-03-12 21:42 ` Andrew Morton [this message]
2013-03-13 6:34 ` Sam Ravnborg
2013-03-13 16:47 ` Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 09/10] mm/um: " Jiang Liu
2013-03-10 8:01 ` [PATCH v2, part2 10/10] mm/x86: " Jiang Liu
2013-03-10 10:32 ` Pekka Enberg
2013-03-10 10:40 ` Pekka Enberg
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=20130312144215.1a92be86464bf82f81e3055e@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=davem@davemloft.net \
--cc=jiang.liu@huawei.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=liuj97@gmail.com \
--cc=mgorman@suse.de \
--cc=mhocko@suse.cz \
--cc=minchan@kernel.org \
--cc=rientjes@google.com \
--cc=sam@ravnborg.org \
--cc=sparclinux@vger.kernel.org \
--cc=wency@cn.fujitsu.com \
--cc=wujianguo@huawei.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;
as well as URLs for NNTP newsgroup(s).