From: Tejun Heo <tj@kernel.org>
To: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: yinghai@kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
grygorii.strashko@ti.com,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [RFC 07/23] mm/memblock: debug: correct displaying of upper memory boundary
Date: Sun, 13 Oct 2013 14:02:27 -0400 [thread overview]
Message-ID: <20131013180227.GD5253@mtj.dyndns.org> (raw)
In-Reply-To: <1381615146-20342-8-git-send-email-santosh.shilimkar@ti.com>
On Sat, Oct 12, 2013 at 05:58:50PM -0400, Santosh Shilimkar wrote:
> From: Grygorii Strashko <grygorii.strashko@ti.com>
>
> When debugging is enabled (cmdline has "memblock=debug") the memblock
> will display upper memory boundary per each allocated/freed memory range
> wrongly. For example:
> memblock_reserve: [0x0000009e7e8000-0x0000009e7ed000] _memblock_early_alloc_try_nid_nopanic+0xfc/0x12c
>
> The 0x0000009e7ed000 is displayed instead of 0x0000009e7ecfff
>
> Hence, correct this by changing formula used to calculate upper memory
> boundary to (u64)base + size - 1 instead of (u64)base + size everywhere
> in the debug messages.
I kinda prefer base + size because it's easier to actually know the
size but yeah, it should have been [base, base + size) and other
places use base + size - 1 notation so it probably is better to stick
to that. Maybe move this one to the beginning of the series?
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
--
tejun
--
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:[~2013-10-13 18:02 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-12 21:58 [RFC 00/23] mm: Use memblock interface instead of bootmem Santosh Shilimkar
2013-10-12 21:58 ` [RFC 01/23] mm/bootmem: remove duplicated declaration of __free_pages_bootmem() Santosh Shilimkar
2013-10-12 21:58 ` [RFC 02/23] mm/block: remove unnecessary inclusion of bootmem.h Santosh Shilimkar
2013-10-12 21:58 ` [RFC 03/23] mm/memory_hotplug: " Santosh Shilimkar
2013-10-12 21:58 ` [RFC 04/23] mm/staging: " Santosh Shilimkar
2013-10-12 21:58 ` [RFC 05/23] mm/char: " Santosh Shilimkar
2013-10-12 21:58 ` [RFC 06/23] mm/memblock: Add memblock early memory allocation apis Santosh Shilimkar
2013-10-13 17:56 ` Tejun Heo
2013-10-13 18:00 ` Russell King - ARM Linux
2013-10-13 18:42 ` Tejun Heo
2013-10-14 13:48 ` Santosh Shilimkar
2013-10-14 14:39 ` Santosh Shilimkar
2013-10-14 14:58 ` Tejun Heo
2013-10-14 15:03 ` Santosh Shilimkar
2013-10-12 21:58 ` [RFC 07/23] mm/memblock: debug: correct displaying of upper memory boundary Santosh Shilimkar
2013-10-13 18:02 ` Tejun Heo [this message]
2013-10-14 14:41 ` Santosh Shilimkar
2013-10-12 21:58 ` [RFC 08/23] mm/memblock: debug: don't free reserved array if !ARCH_DISCARD_MEMBLOCK Santosh Shilimkar
2013-10-13 19:51 ` Tejun Heo
2013-10-14 14:41 ` Santosh Shilimkar
2013-10-12 21:58 ` [RFC 09/23] mm/init: Use memblock apis for early memory allocations Santosh Shilimkar
2013-10-13 19:54 ` Tejun Heo
2013-10-14 14:43 ` Santosh Shilimkar
2013-10-12 21:58 ` [RFC 10/23] mm/printk: " Santosh Shilimkar
2013-10-12 21:58 ` [RFC 11/23] mm/page_alloc: " Santosh Shilimkar
2013-10-12 21:58 ` [RFC 12/23] mm/power: " Santosh Shilimkar
2013-10-12 21:58 ` [RFC 13/23] mm/lib: " Santosh Shilimkar
2013-10-12 21:58 ` [RFC 14/23] " Santosh Shilimkar
2013-10-12 21:58 ` [RFC 15/23] mm/sparse: " Santosh Shilimkar
2013-10-12 21:58 ` [RFC 16/23] mm/hugetlb: " Santosh Shilimkar
2013-10-12 21:59 ` [RFC 17/23] mm/page_cgroup: " Santosh Shilimkar
2013-10-12 21:59 ` [RFC 18/23] mm/percpu: " Santosh Shilimkar
2013-10-12 21:59 ` [RFC 19/23] mm/memory_hotplug: " Santosh Shilimkar
2013-10-12 21:59 ` [RFC 20/23] mm/firmware: " Santosh Shilimkar
2013-10-12 21:59 ` [RFC 21/23] mm/ARM: kernel: " Santosh Shilimkar
2013-10-12 21:59 ` [RFC 22/23] mm/ARM: mm: " Santosh Shilimkar
2013-10-12 21:59 ` [RFC 23/23] mm/ARM: OMAP: " Santosh Shilimkar
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=20131013180227.GD5253@mtj.dyndns.org \
--to=tj@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=grygorii.strashko@ti.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=santosh.shilimkar@ti.com \
--cc=yinghai@kernel.org \
/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).