Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> writes: > > __GFP_BITS_SHIFT + 5 (AS_NO_WRITEBACK_TAGS) = 31 > > mapping->flags is a combination of AS and GFP flags so increasing > __GFP_BITS_SHIFT overflows mapping->flags on 32-bit as gfp_t is an > unsigned int. Couldn't we just split mapping->flags into two fields? I'm sure more GFP bits will be needed eventually. -Andi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>