linux-kernel - Re: [patch 2/3] Add flags parameter to reserve_bootmem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 09 Jun 2008 18:39:39 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Bernhard Walle <bwalle@...e.de>
CC:	Vivek Goyal <vgoyal@...hat.com>,
	Johannes Weiner <hannes@...urebad.de>,
	kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
	hpa@...or.com, anderson@...hat.com,
	Amul Shah <amul.shah@...sys.com>
Subject: Re: [patch 2/3] Add flags parameter to reserve_bootmem_generic()

Bernhard Walle wrote:
> * Vivek Goyal [2008-06-09 09:22]:
>> Kdump first kernel always tries to reserve just physical RAM and nothing
>> else. So I am not sure what does above code do. Try to reserve a memory
>> which is not RAM but is in the region less than highest mapped entity and
>> in that case return silently without any warning. In what case do we
>> exercise this path?
> 
> I don't know. That code has been introduced in 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=5e58a02a8f6a7a1c9ae41f39286bcd3aea0d6f24
> 
> Ccing Andi.
> 
> IMO we should not print any warning in that function, leaving the error
> handling to the caller.

Don't remember the details. Perhaps Amul does (cc'ed)

-Andi

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/