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    SubjectRe: [PATCH -mm] clean up duplicated alloc/free_thread_info
    Pekka Enberg writes:

    > Yeah, I too have wondered why some architectures use kmalloc() whereas
    > others use the page allocator. Is THREAD_SIZE significantly smaller
    > than PAGE_SIZE for those?

    64-bit powerpc uses 16k kernel stacks and either 4k or 64k page size.
    If the page size is 64k then we don't want to allocate a whole page
    for a kernel stack.

    Paul.


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