From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="iso-8859-1" From: Daniel Phillips Subject: Re: [RFC] Page table sharing Date: Tue, 19 Feb 2002 12:39:15 +0100 References: In-Reply-To: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: Sender: owner-linux-mm@kvack.org Return-Path: To: Linus Torvalds Cc: Rik van Riel , Hugh Dickins , dmccr@us.ibm.com, Kernel Mailing List , linux-mm@kvack.org, Robert Love , mingo@redhat.co, Andrew Morton , manfred@colorfullife.com, wli@holomorphy.com List-ID: On February 19, 2002 04:22 am, Linus Torvalds wrote: > That still leaves the TLB invalidation issue, but we could handle that > with an alternate approach: use the same "free_pte_ctx" kind of gathering > that the zap_page_range() code uses for similar reasons (ie gather up the > pte entries that you're going to free first, and then do a global > invalidate later). I think I'll fall back to unsharing the page table on swapout as Hugh suggested, until we sort this out. It's not that bad. -- Daniel -- 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/