fs/zfs/arc.c

6748 	 * allmem is "all memory that we could possibly use".
6752 	uint64_t allmem = ptob(physmem - swapfs_minfree);
6754 	uint64_t allmem = (physmem * PAGESIZE) / 2;
6757 	uint64_t allmem = kmem_size();
6766 	arc_c_min = MAX(allmem / 32, arc_abs_min);
6768 	if (allmem >= 1 << 30)
6769 		arc_c_max = allmem - (1 << 30);
6772 	arc_c_max = MAX(allmem * 5 / 8, arc_c_max);
6789 	if (zfs_arc_max > arc_abs_min && zfs_arc_max < allmem) {
6930 	if (allmem < 512 * (1 << 20)) {