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    SubjectRe: [1/4] standardize bit waiting data type
    William Lee Irwin III <> wrote:
    > William Lee Irwin III <> wrote:
    > >> void fastcall unlock_page(struct page *page)
    > >> {
    > >> + unsigned long *word = (unsigned long *)&page->flags;
    > On Fri, Aug 27, 2004 at 11:17:13PM -0700, Andrew Morton wrote:
    > > This will break if a little-endian 64-bit architecture elects to use a
    > > 32-bit page_flags_t.
    > You mean a big-endian one? I did check to be sure none did so; only
    > x86-64 does. Easy enough to dress up so BE arches can do it too.

    hm. Actually, the page_flags_t hack can only work on little-endian
    hardware anyway.

    perhaps your implementation should imitate x86_64/bitops.h and use a void*,
    along with apologetic comments.

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