The slab allocator never uses alloc_pages since kmem_getpages() is always
called with a valid nodeid.  Remove the branch and the code from
kmem_getpages()
Signed-off-by: NChristoph Lameter <clameter@sgi.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>