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    SubjectRe: [PATCH 2/2] fix memmap init for handling memory hole
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    > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
    >
    > Now, early_pfn_in_nid(PFN, NID) may returns false if PFN is a hole.
    > and memmap initialization was not done. This was a trouble for
    > sparc boot.
    >
    > To fix this, the PFN should be initialized and marked as PG_reserved.
    > This patch changes early_pfn_in_nid() return true if PFN is a hole.
    >
    > Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

    at least, this patch works fine on my ia64 box.

    Tested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>






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