When this happens, alloc_flags needs to be updated accordingly to set
ALLOC_NO_WATERMARKS so the subsequent allocation attempt may use memory
reserves as the result of its thread having TIF_MEMDIE set if the
allocation is not __GFP_NOMEMALLOC.
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>