linux-kernel - Re: [PATCH] mm: make free_bootmem to loop bdata

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: <86802c440803131210x5c2d826qe73b6ed37af2d835@mail.gmail.com>
Date:	Thu, 13 Mar 2008 12:10:58 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	mingo@...e.hu, clameter@....com, linux-kernel@...r.kernel.org,
	ak@...e.de, y-goto@...fujitsu.com, kamezawa.hiroyu@...fujitsu.com
Subject: Re: [PATCH] mm: make free_bootmem to loop bdata_list

On Thu, Mar 13, 2008 at 12:05 PM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
>
> On Thu, 13 Mar 2008 11:53:31 -0700
>  "Yinghai Lu" <yhlu.kernel@...il.com> wrote:
>
>  > [PATCH] mm: make free_bootmem to loop bdata_list
>  >
>  >         [PATCH] mm: fix boundary checking in free_bootmem_core
>  >
>  > make the free_bootmem_core could handle out of range case. we could use
>  > bdata_list to make sure the range can be freed for sure.
>  >
>  > so next time, we don't need to loop online nodes and could use
>  > free_bootmem directly.
>  >
>  > Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>
>  >
>
>  What is the relationship (if any) between this and
>  mm-fix-boundary-checking-in-free_bootmem_core.patch?
after mm-fix-boundary-checking-in-free_bootmem_core.patch, or you can
fold this into that.
>
>  Do you believe ths new patch is needed in 2.6.25 and if so, why?

could solve some free_bootmem in extreme case like no ram on node 0.

YH
--
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/