MS_INVALIDATE
(void) msync(mapbase, mapsize, MS_ASYNC|MS_INVALIDATE);
(caddr_t)(MS_ASYNC | MS_INVALIDATE), 0, 0);
if ((val & ~(MS_SYNC|MS_ASYNC|MS_INVALIDATE)) == 0) {
if (val & MS_INVALIDATE)
if ((iarg & ~MS_INVALIDATE) == 0)
if (((iarg & ~(MS_SYNC|MS_ASYNC|MS_INVALIDATE)) != 0) ||
MS_ASYNC | MS_INVALIDATE, NULL, 0);
((flags & MS_INVALIDATE) ? B_INVAL : 0);
(flags & MS_INVALIDATE) == 0) {
if (flags & MS_INVALIDATE) {