MS_INVALIDATE
return __msync13(addr, size, MS_SYNC|MS_INVALIDATE);
SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
if ((flags & ~(MS_ASYNC | MS_SYNC | MS_INVALIDATE)) != 0 ||
(flags & (MS_ASYNC | MS_SYNC | MS_INVALIDATE)) == 0 ||
if (flags & MS_INVALIDATE)
str = msync_sync("garbage", MS_INVALIDATE);