Possible bug in sysdeps/unix/sysv/linux/powerpc/mmap64.c

[Ulrich Drepper]

"H . J . Lu" <hjl@lucon.org> writes:

> Here is a proposed patch.

Unless somebody who's responsible for the kernel part that the page
size can be changed there is no need for a patch like this.  If it is
agreed on that it is necessary this

> +  if (!page_size)
>      {
> +      page_size = __getpagesize ();
> +      page_shift = __ffs (page_size) - 1;
> +    }
> +
> +  if (offset & (page_size - 1))

should be rewritten to store the page size minus one in a variable
instead of computing it every time again.

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