get_unmapped_area handles MAP_FIXED on alpha
Benjamin Herrenschmidt [Sun, 6 May 2007 21:50:06 +0000 (14:50 -0700)]
Handle MAP_FIXED in alpha's arch_get_unmapped_area(), simple case, just return
the address as passed in

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/alpha/kernel/osf_sys.c

index be133f1..67ae41d 100644 (file)
@@ -1267,6 +1267,9 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
        if (len > limit)
                return -ENOMEM;
 
+       if (flags & MAP_FIXED)
+               return addr;
+
        /* First, see if the given suggestion fits.
 
           The OSF/1 loader (/sbin/loader) relies on us returning an