linux-kernel - Re: [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded

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:	Thu, 12 Mar 2009 11:00:18 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	Andrew Morton <akpm@...ux-foundation.org>, dhowells@...hat.com,
	torvalds@...ux-foundation.org, peterz@...radead.org,
	Enrik.Berkhan@...com, uclinux-dev@...inux.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Johannes Weiner <hannes@...xchg.org>,
	Rik van Riel <riel@...riel.com>,
	Lee Schermerhorn <lee.schermerhorn@...com>
Subject: Re: [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded

> Hi, Kosaki-san. 
> 
> I think ramfs pages's unevictablility should not depend on CONFIG_UNEVICTABLE_LRU.
> It would be better to remove dependency of CONFIG_UNEVICTABLE_LRU ?
> 
> How about this ? 
> It's just RFC. It's not tested. 
> 
> That's because we can't reclaim that pages regardless of whether there is unevictable list or not

maybe, your patch work.

but we can remove CONFIG_UNEVICTABLE_LRU build option itself completely 
after nommu folks confirmed CONFIG_UNEVICTABLE_LRU works well on their machine

it is more cleaner IMHO.
What do you think?



--
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/