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    SubjectRe: 2.6.23-rc8-mm1
    Hi Andy,

    One the patch you created in -mm is causing compile warning.
    Here is the fix. Please verify.


    arch/powerpc/mm/init_64.c: In function `vmemmap_populated':
    arch/powerpc/mm/init_64.c:211: warning: passing arg 1 of `vmemmap_section_start' makes pointer from integer without a cast

    vmemmap_section_start() gets called with an argument which is unsigned long.

    Signed-off-by: Badari Pulavarty <>

    Index: linux-2.6.23-rc8/arch/powerpc/mm/init_64.c
    --- linux-2.6.23-rc8.orig/arch/powerpc/mm/init_64.c 2007-09-25 09:18:13.000000000 -0700
    +++ linux-2.6.23-rc8/arch/powerpc/mm/init_64.c 2007-09-25 14:50:44.000000000 -0700
    @@ -189,10 +189,9 @@ void pgtable_cache_init(void)
    * do this by hand as the proffered address may not be correctly aligned.
    * Subtraction of non-aligned pointers produces undefined results.
    -unsigned long __meminit vmemmap_section_start(struct page *page)
    +unsigned long __meminit vmemmap_section_start(unsigned long page)
    - unsigned long offset = ((unsigned long)page) -
    - ((unsigned long)(vmemmap));
    + unsigned long offset = page - ((unsigned long)(vmemmap));

    /* Return the pfn of the start of the section. */
    return (offset / sizeof(struct page)) & PAGE_SECTION_MASK;

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