linux-kernel - Re: [PATCH] mm: make reserve_bootmem can crossed the nodes

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]

Message-ID: <87zlt22erg.fsf@saeurebad.de>
Date:	Fri, 14 Mar 2008 03:58:11 +0100
From:	Johannes Weiner <hannes@...urebad.de>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"Yinghai Lu" <yhlu.kernel@...il.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Ingo Molnar" <mingo@...e.hu>, "Andi Kleen" <ak@...e.de>,
	"Christoph Lameter" <clameter@....com>,
	linux-kernel@...r.kernel.org,
	"Yasunori Goto" <y-goto@...fujitsu.com>
Subject: Re: [PATCH] mm: make reserve_bootmem can crossed the nodes

Hi,

KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> writes:

> Background:
> - reserve_bootmem is called for *reserve* memory before bootmem allocator.
> - It specifies <address, size>.
> - Because <addrees, size> are argments, memory hole in <address, size> is not
>   problem here.
>
> Before change,
> - reseve_bootmem() only works for Node(0)
>
> After change
> - reserve_bootmem() works on sutiable nodes for <address, size>
> - It can spread accross among prural nodes.

After the change it will iterate over all nodes, reserving the range
`address to address+size' on each of them.

	Hannes
--
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/