Jan Beulich
2006-Jun-29 13:47 UTC
[Xen-devel] [PATCH] linux: Slightly improve single-page contiguous region creation/destruction
Combine TLB flush with page table update, avoiding an extra hypercall. Especially on 32-bit PAE single page requests are quite frequent. Signed-off-by: jbeulich@novell.com _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Keir Fraser
2006-Jun-29 13:57 UTC
Re: [Xen-devel] [PATCH] linux: Slightly improve single-page contiguous region creation/destruction
On 29 Jun 2006, at 14:47, Jan Beulich wrote:> Combine TLB flush with page table update, avoiding an extra hypercall. > Especially on 32-bit PAE single page requests are quite frequent. > > Signed-off-by: jbeulich@novell.comOnly on old Xen -- xen-unstable supports pgdirs above 4gb. So it''s unclear this is a worthwhile optimisation there. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel