libumem/common/vmem.c

321 	if (vsp->vs_knext->vs_start == 0 && vsp->vs_kprev->vs_start == 0) {
324 		 * so taking vsp leaves the freelist at vsp->vs_kprev empty.
326 		ASSERT(vmp->vm_freemap & VS_SIZE(vsp->vs_kprev));
327 		vmp->vm_freemap ^= VS_SIZE(vsp->vs_kprev);
443 		for (kprev = kend->vs_kprev; kprev != kend;
444 		    kprev = kprev->vs_kprev) {
460 	VMEM_INSERT(knext->vs_kprev, span, k);
1203 	for (span = end->vs_kprev; span != end; span = span->vs_kprev) {
1210 	if (span->vs_kprev->vs_end == addr && span->vs_start == endaddr) {
1211 		vmem_seg_t *prevspan = span->vs_kprev;
1465 		vfp->vs_kprev = (vmem_seg_t *)(vfp - 1);
1468 	vmp->vm_freelist[0].vs_kprev = NULL;
1479 	vsp->vs_kprev = vsp;