On Wed, 23 Nov 2011 20:47:45 +0800
Wu Fengguang [off-list ref] wrote:

quoted

should be ulong, which is compatible with the bitops.h code.
Or perhaps we should use a bitfield and let the compiler do the work.

What if we do

        u16     mmap_miss;
        u16     ra_flags;

That would get rid of this patch. I'd still like to pack the various
flags as well as pattern into one single ra_flags, which makes it
convenient to pass things around (as one single parameter).

I'm not sure that this will improve things much...

Again, how does the code look if you use a bitfield and let the
compiler do the worK?

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