lockdep: annotate reclaim context (__GFP_NOFS), fix SLOB

Impact: build fix

fix typo in mm/slob.c:

 mm/slob.c:469: error: ‘flags’ undeclared (first use in this function)
 mm/slob.c:469: error: (Each undeclared identifier is reported only once
 mm/slob.c:469: error: for each function it appears in.)

Cc: Nick Piggin <npiggin@suse.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20090128135457.350751756@chello.nl>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

mm/slob.c

@@ -464,7 +464,7 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
 	unsigned int *m;
 	int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
 
-	lockdep_trace_alloc(flags);
+	lockdep_trace_alloc(gfp);
 
 	if (size < PAGE_SIZE - align) {
 		if (!size)