Re: [BK-2.4] [PATCH] Small do_mmap_pgoff correction

From: David S. Miller (
Date: Tue Dec 10 2002 - 20:06:44 EST

   From: DervishD <>
   Date: Tue, 10 Dec 2002 23:28:42 +0100
> How about something like:
> if (len == 0)
> return addr;
> len = PAGE_ALIGN(len);
> if (len > TASK_SIZE || len == 0)
> return -EINVAL;
> That should cover all cases and not make the TASK_SIZE assumption.
       Perfect :) If you want, I can make the patch and tell to Alan and
   Linus. Anyway, I think you will better heared than me O:))
If you could take care of this, I would really be happy.

       Anyway, I'll take a look at a new macro (lets say PAGE_ALIGN_SIZE
   or something as ugly as this ;)))
How many places do we try to apply PAGE_ALIGN to a length?
If it's just one or two spots, perhaps the special macro
isn't worthwhile.
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