DCACHE_ALIAS_MASK   70 include/asm-xtensa/page.h # define DCACHE_ALIAS(a)	(((a) & DCACHE_ALIAS_MASK) >> PAGE_SHIFT)
DCACHE_ALIAS_MASK   71 include/asm-xtensa/page.h # define DCACHE_ALIAS_EQ(a,b)	((((a) ^ (b)) & DCACHE_ALIAS_MASK) == 0)