COLD_BIT_SHIFT    409 fs/f2fs/node.h #define is_cold_node(page)	is_node(page, COLD_BIT_SHIFT)
COLD_BIT_SHIFT    434 fs/f2fs/node.h 		flag &= ~(0x1 << COLD_BIT_SHIFT);
COLD_BIT_SHIFT    436 fs/f2fs/node.h 		flag |= (0x1 << COLD_BIT_SHIFT);