From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [RFC/PATCH] Use mmu_gather for fork() instead of flush_tlb_mm() From: Benjamin Herrenschmidt In-Reply-To: <4691FFDC.5020808@yahoo.com.au> References: <1183952874.3388.349.camel@localhost.localdomain> <1183962981.5961.3.camel@localhost.localdomain> <1183963544.5961.6.camel@localhost.localdomain> <4691E64F.5070506@yahoo.com.au> <1183972349.5961.25.camel@localhost.localdomain> <4691FFDC.5020808@yahoo.com.au> Content-Type: text/plain Date: Mon, 09 Jul 2007 19:47:38 +1000 Message-Id: <1183974458.5961.42.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: linux-mm@kvack.org, Linux Kernel list List-ID: On Mon, 2007-07-09 at 19:29 +1000, Nick Piggin wrote: > They could just #define one to the other though, there are only a > small > number of them. Is there a downside to not making them distinct? i386 > for example probably would just keep doing a tlb flush for fork and > not > want to worry about touching the tlb gather stuff. But the tlb gather stuff just does ... a flush_tlb_mm() on x86 :-) I really think it's the right API Ben. -- 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