Re: [Xen-ia64-devel] [PATCH] XEN: Avoid double reclaim dom0 image and dom0 initrd

[Alex Williamson <alex.williamson@xxxxxx>]

On Thu, 2006-03-02 at 15:09 +0800, Xu, Anthony wrote:
> VMM doesn't need to reclaim dom0 image and dom0 initrd by using 
> init_domheap_pages, because they have been reclaimed by below code:
> in function start_kernel of xensetup.c
>     efi_memmap_walk(filter_rsvd_memory, init_boot_pages);
> Reclaiming again may cause xen hang at very beginning.
> 
> BTW, dom0 initrd is for dom0 not for xen, it will be copied into dom0 
> memory space, so VMM doesn't need to reserve memory for dom0 initrd.
> Commenting below definition makes dom0 initrd reclaimable.
> -#define CONFIG_BLK_DEV_INITRD // needed to reserve memory for domain0
> +//#define CONFIG_BLK_DEV_INITRD // needed to reserve memory for domain0

   Applied.

-- 
Alex Williamson                             HP Linux & Open Source Lab


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