Re: [Xen-devel] [PATCH] xen: delay construction of mfn_list_list

2014-10-14 Thread David Vrabel
On 14/10/14 12:33, Juergen Gross wrote: > The 3 level p2m tree for the Xen tools is constructed very early at > boot by calling xen_build_mfn_list_list(). Memory needed for this tree > is allocated via extend_brk(). > > As this tree (other than the kernel internal p2m tree) is only needed > for do

[PATCH] xen: delay construction of mfn_list_list

2014-10-14 Thread Juergen Gross
The 3 level p2m tree for the Xen tools is constructed very early at boot by calling xen_build_mfn_list_list(). Memory needed for this tree is allocated via extend_brk(). As this tree (other than the kernel internal p2m tree) is only needed for domain save/restore, live migration and crash dump ana