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Date: Tue, 21 Jun 2011 13:52:02 +0200 From: Michal Hocko <mhocko@...e.cz> To: Amerigo Wang <amwang@...hat.com> Cc: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org, Randy Dunlap <rdunlap@...otime.net>, Andrea Arcangeli <aarcange@...hat.com>, Rik van Riel <riel@...hat.com>, Johannes Weiner <jweiner@...hat.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, linux-doc@...r.kernel.org, linux-mm@...ck.org Subject: Re: [PATCH v2 1/4] mm: completely disable THP by transparent_hugepage=0 On Tue 21-06-11 16:10:42, Amerigo Wang wrote: > Introduce "transparent_hugepage=0" to totally disable THP. > "transparent_hugepage=never" means setting THP to be partially > disabled, we need a new way to totally disable it. I am wondering why would you like to disable the feature on per-boot basis. Does transparent_hugepage=never bring any measurable overhead? -- Michal Hocko SUSE Labs SUSE LINUX s.r.o. Lihovarska 1060/12 190 00 Praha 9 Czech Republic -- 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/
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