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
| ||
|
Date: Wed, 11 Nov 2009 10:22:08 +0900 (JST) From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: Hugh Dickins <hugh.dickins@...cali.co.uk> Cc: kosaki.motohiro@...fujitsu.com, Andrew Morton <akpm@...ux-foundation.org>, Izik Eidus <ieidus@...hat.com>, Andrea Arcangeli <aarcange@...hat.com>, Nick Piggin <npiggin@...e.de>, Rik van Riel <riel@...hat.com>, Lee Schermerhorn <Lee.Schermerhorn@...com>, Andi Kleen <andi@...stfloor.org>, Wu Fengguang <fengguang.wu@...el.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: [PATCH 3/6] mm: CONFIG_MMU for PG_mlocked > Remove three degrees of obfuscation, left over from when we had > CONFIG_UNEVICTABLE_LRU. MLOCK_PAGES is CONFIG_HAVE_MLOCKED_PAGE_BIT > is CONFIG_HAVE_MLOCK is CONFIG_MMU. rmap.o (and memory-failure.o) > are only built when CONFIG_MMU, so don't need such conditions at all. > > Somehow, I feel no compulsion to remove the CONFIG_HAVE_MLOCK* > lines from 169 defconfigs: leave those to evolve in due course. > > Signed-off-by: Hugh Dickins <hugh.dickins@...cali.co.uk> I don't recall why Lee added this config option. but it seems very reasonable and I storongly like it. At least, vmscan folks never said "please try to disable CONFIG_MLOCK". It mean this option didn't help our debug. Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> -- 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/
Powered by blists - more mailing lists