From mboxrd@z Thu Jan 1 00:00:00 1970 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Subject: RE: [ PATCH ] - Avoid slow TLB purges on SGI Altix systems Date: Thu, 27 Oct 2005 09:01:53 -0700 Message-ID: From: "Luck, Tony" Sender: owner-linux-mm@kvack.org Return-Path: To: Dean Roe Cc: linux-ia64@vger.kernel.org, linux-mm@kvack.org List-ID: - if (mm != current->active_mm) { - /* this does happen, but perhaps it's not worth optimizing for? */ -#ifdef CONFIG_SMP - flush_tlb_all(); -#else - mm->context = 0; -#endif - return; - } Your patch moves this secion of code up to ia64_global_tlb_purge(), but the new code that is added there doesn't include the UP case where mm->context is set to zero. -Tony -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org