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    Subject[PATCH 2/2] x86: ioremap: fix normal ram range check
    Check for norma RAM in x86 ioremap() code seems to not work for the
    last page frame in the specified physical address range.

    Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>

    ---
    arch/x86/mm/ioremap.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    Index: linux-2.6.34/arch/x86/mm/ioremap.c
    ===================================================================
    --- linux-2.6.34.orig/arch/x86/mm/ioremap.c 2010-06-15 05:33:06.272381451 +0900
    +++ linux-2.6.34/arch/x86/mm/ioremap.c 2010-06-15 05:33:21.086585690 +0900
    @@ -101,7 +101,7 @@
    * Don't allow anybody to remap normal RAM that we're using..
    */
    last_pfn = last_addr >> PAGE_SHIFT;
    - for (pfn = phys_addr >> PAGE_SHIFT; pfn < last_pfn; pfn++) {
    + for (pfn = phys_addr >> PAGE_SHIFT; pfn <= last_pfn; pfn++) {
    int is_ram = page_is_ram(pfn);

    if (is_ram && pfn_valid(pfn) && !PageReserved(pfn_to_page(pfn)))



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