MADV_DONTNEED
#define GRP2_ADV (1 << MADV_WILLNEED | 1 << MADV_DONTNEED | \
return (1 << MADV_DONTNEED);
if (madvise(origin, release, MADV_DONTNEED) == -1)
case MADV_DONTNEED: s = "MADV_DONTNEED"; break;
case MADV_DONTNEED:
case MADV_DONTNEED: /* handled in memcntl */
case MADV_DONTNEED: /* handled in memcntl */