 Home |
Products |
Support |
Community |
News |
xen-devel
Re: [Xen-devel] [PATCH 3 of 7] xenpaging: remove srand call
| To: | Patrick Colp <pjcolp@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH 3 of 7] xenpaging: remove srand call |
| From: | Olaf Hering <olaf@xxxxxxxxx> |
| Date: | Thu, 31 Mar 2011 20:17:49 +0200 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 31 Mar 2011 11:18:48 -0700 |
| Dkim-signature: | v=1; a=rsa-sha1; c=relaxed/relaxed; t=1301595470; l=706; s=domk; d=aepfle.de; h=In-Reply-To:Content-Transfer-Encoding:Content-Type:MIME-Version: References:Subject:Cc:To:From:Date:X-RZG-CLASS-ID:X-RZG-AUTH; bh=tjjYXMAUke1++dfga65i2rn5bM8=; b=p6XdqR1+Ww2G+KL8zCMvgwRLXXh1yJyRTFB786TVsrrC6E288FdNt4ugEsYnO9L11V6 TbPvJZL1tB0VPxrP9jPB0ZqAj2dVn037uDVuf8HG6vLPwl19rmHP+fkg+Vt4Nej5t6zyP MpeLAtFJOnCXRg9KZkabDhruyu2QxdSwcNU= |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxxx |
| In-reply-to: | <AANLkTikuR1S0bkYshBC7sWY_L8Gz1Oi+Q3vN3J1s=1dZ@xxxxxxxxxxxxxx> |
| List-help: | <mailto:xen-devel-request@lists.xensource.com?subject=help> |
| List-id: | Xen developer discussion <xen-devel.lists.xensource.com> |
| List-post: | <mailto:xen-devel@lists.xensource.com> |
| List-subscribe: | <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe> |
| List-unsubscribe: | <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe> |
| References: | <patchbomb.1301592977@localhost> <cd35892de8ff2388aa46.1301592980@localhost> <AANLkTikuR1S0bkYshBC7sWY_L8Gz1Oi+Q3vN3J1s=1dZ@xxxxxxxxxxxxxx> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| User-agent: | Mutt/1.5.21 (2010-09-15) |
On Thu, Mar 31, Patrick Colp wrote: > On 31 March 2011 10:36, Olaf Hering <olaf@xxxxxxxxx> wrote: > > # HG changeset patch > > # User Olaf Hering <olaf@xxxxxxxxx> > > # Date 1301591570 -7200 > > # Node ID cd35892de8ff2388aa46e3768393f217a3c63521 > > # Parent a811d86a48f400cd541500e0e6ae765fdcd02ef9 > > xenpaging: remove srand call > > > > The policy uses now a linear algorithm instead of picking random gfn > > numbers. Remove the call to srand(). > > Is a linear algorithm better than random? The current linear policy can detects when no more pages can be nominated. The previous random policy would instead just try forever with random numbers, and never find an end. Olaf _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: [Xen-devel] [PATCH] tools: ocaml: do not try to link dynamic objects into .a libraries, Ian Jackson |
|---|---|
| Next by Date: | [Xen-devel] RE: pci passthrough filtering in libxl, Ian Jackson |
| Previous by Thread: | Re: [Xen-devel] [PATCH 3 of 7] xenpaging: remove srand call, Patrick Colp |
| Next by Thread: | Re: [Xen-devel] [PATCH 3 of 7] xenpaging: remove srand call, Patrick Colp |
| Indexes: | [Date] [Thread] [Top] [All Lists] |
