xa_cmpxchg_irq   1043 include/linux/xarray.h 	return xa_err(xa_cmpxchg_irq(xa, index, NULL, XA_ZERO_ENTRY, gfp));
xa_cmpxchg_irq    688 mm/shmem.c     	old = xa_cmpxchg_irq(&mapping->i_pages, index, radswap, NULL, 0);