Page reclaim bales out very early if reclaim isn't working out for !__GFP_FS
allocation attempts.

It was a fairly arbitrary thing in the first place and chances are the caller
will simply retry the allocation or will do something which is disruptive to
userspace.  So remove that code and do much more scanning.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>