LDST_W_BIT         47 arch/arm/mm/alignment.c #define LDST_W_BIT(i)	(i & (1 << 21))		/* Writeback		*/
LDST_W_BIT         32 arch/unicore32/mm/alignment.c #define LDST_W_BIT(i)	(i & (1 << 25))	/* Writeback            */