From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 10 Aug 2005 04:40:28 -0400 (EDT) From: Rik van Riel Subject: Re: [RFC 1/3] non-resident page tracking In-Reply-To: <20050809211305.GA23675@dmt.cnet> Message-ID: References: <20050808201416.450491000@jumble.boston.redhat.com> <20050808202110.744344000@jumble.boston.redhat.com> <20050809182517.GA20644@dmt.cnet> <1123614926.17222.19.camel@twins> <20050809211305.GA23675@dmt.cnet> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Marcelo Tosatti Cc: Peter Zijlstra , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Tue, 9 Aug 2005, Marcelo Tosatti wrote: > Well, not really "good approximation" it sounds to me, the sensibility > goes down to L1_CACHE_LINE/sizeof(u32), which is: > > - 8 on 32-byte cacheline > - 16 on 64-byte cacheline > - 32 on 128-byte cacheline > > Right? > > So the (nice!) refault histogram gets limited to those values? I agree that 7 would be too small. I guess I should limit the minimum size of the nonresident hash bucket to 15 entries... -- All Rights Reversed -- 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