diff --git arch/arm64/kernel/memory.c arch/arm64/kernel/memory.c
index a84bc21..f329fcf 100644
--- arch/arm64/kernel/memory.c
+++ arch/arm64/kernel/memory.c
@@ -2701,6 +2701,16 @@ int set_range_l1(void *args0, pte_t *ptep, uintptr_t base, uintptr_t start,
 	ptl1_set(ptep, pte);
 
 	error = 0;
+
+	if (args->attr[0] & PTE_CONT &&
+	    __page_offset(base, PTL1_CONT_SIZE) == 0) {
+		kprintf("%s: large_page_allocation, addr: %016lx, size: 0x%lx , phys: %lx\n",
+			__func__, base, PTL1_CONT_SIZE, phys);
+		if (args->range->private_data)
+			kprintf("%s: xpmem_page_attach, addr: %016lx, size: 0x%lx\n",
+				__func__, base, PTL1_CONT_SIZE);
+	}
+
 	// call memory_stat_rss_add() here because pgshift is resolved here
 	if (!(args->attr[0] & PTE_CONT)) {
 		if (rusage_memory_stat_add(args->range, phys,
@@ -2810,6 +2820,23 @@ retry:
 					level);
 
 				error = 0;
+
+				if (args->attr[level-1] & PTE_CONT) {
+					if (__page_offset(base, tbl.cont_pgsize) == 0) {
+						kprintf("%s: large_page_allocation, addr: %016lx, size: 0x%lx , phys: %lx\n",
+							__func__, base, tbl.cont_pgsize, phys);
+						if (args->range->private_data)
+							kprintf("%s: xpmem_page_attach, addr: %016lx, size: 0x%lx\n",
+								__func__, base, tbl.cont_pgsize);
+					}
+				} else {
+					kprintf("%s: large_page_allocation, addr: %016lx, size: 0x%lx , phys: %lx\n",
+						__func__, base, tbl.pgsize, phys);
+					if (args->range->private_data)
+						kprintf("%s: xpmem_page_attach, addr: %016lx, size: 0x%lx\n",
+							__func__, base, tbl.pgsize);
+				}
+
 				dkprintf("set_range_middle(%lx,%lx,%lx,%d):"
 					 "large page. %d %lx\n",
 					 base, start, end, level, error, *ptep);
diff --git arch/x86_64/kernel/memory.c arch/x86_64/kernel/memory.c
index 6b34036..4ca3a1a 100644
--- arch/x86_64/kernel/memory.c
+++ arch/x86_64/kernel/memory.c
@@ -1932,6 +1932,13 @@ retry:
 			dkprintf("set_range_l2(%lx,%lx,%lx):"
 					"2MiB page. %d %lx\n",
 					base, start, end, error, *ptep);
+
+			kprintf("%s: large_page_allocation, addr: %016lx, size: 0x%lx\n",
+				__func__, base, PTL2_SIZE);
+			if (args->range->private_data)
+				kprintf("%s: xpmem_page_attach, addr: %016lx, size: 0x%lx\n",
+					__func__, base, PTL2_SIZE);
+
 			// Call memory_stat_rss_add() here because pgshift is resolved here
 			if (rusage_memory_stat_add(args->range, phys, PTL2_SIZE, PTL2_SIZE)) {
 				dkprintf("%lx+,%s: calling memory_stat_rss_add(),base=%lx,phys=%lx,size=%ld,pgsize=%ld\n", phys, __FUNCTION__, base, phys, PTL2_SIZE, PTL2_SIZE);
@@ -2021,6 +2028,12 @@ retry:
 					"1GiB page. %d %lx\n",
 					base, start, end, error, *ptep);
 
+			kprintf("%s: large_page_allocation, addr: %016lx, size: 0x%lx\n",
+				__func__, base, PTL3_SIZE);
+			if (args->range->private_data)
+				kprintf("%s: xpmem_page_attach, addr: %016lx, size: 0x%lx\n",
+					__func__, base, PTL3_SIZE);
+
 			// Call memory_stat_rss_add() here because pgshift is resolved here
 			if (rusage_memory_stat_add(args->range, phys, PTL3_SIZE, PTL3_SIZE)) {
 				dkprintf("%lx+,%s: calling memory_stat_rss_add(),base=%lx,phys=%lx,size=%ld,pgsize=%ld\n", phys, __FUNCTION__, base, phys, PTL3_SIZE, PTL3_SIZE);
diff --git kernel/process.c kernel/process.c
index 1624726..d867b4d 100644
--- kernel/process.c
+++ kernel/process.c
@@ -2138,6 +2138,12 @@ retry:
 		}
 
 		dkprintf("%s: attr=%x\n", __FUNCTION__, attr);
+
+		if (pgsize > PAGE_SIZE) {
+			kprintf("large_page_allocation, addr: %016lx, size: %d, phys: %lx\n",
+				pgaddr, pgsize, phys);
+		}
+
 		error = ihk_mc_pt_set_pte(vm->address_space->page_table, ptep,
 		                          pgsize, phys, attr);
 		if (error) {
diff --git kernel/xpmem.c kernel/xpmem.c
index 9fedf26..a0a7990 100644
--- kernel/xpmem.c
+++ kernel/xpmem.c
@@ -490,6 +490,7 @@ static int xpmem_make(
 	*segid_p = segid;
 
 	XPMEM_DEBUG("return: ret=%d, segid=0x%lx", 0, *segid_p);
+	kprintf("%s: DONE\n", __func__);
 
 	return 0;
 }
@@ -1886,6 +1887,11 @@ static int _xpmem_fault_process_memory_range(
 		goto out;
 	}
 
+	if (att_pgsize == PAGE_SIZE) {
+		kprintf("xpmem_page_attach, addr: %016lx, size: 0x%lx\n",
+			vaddr, att_pgsize);
+	}
+
 	XPMEM_DEBUG("att_pgaddr: %lx, att_pgsize: %lx, "
 		    "seg_vaddr: %lx, seg_pgsize: %lx, seg_phys: %lx\n",
 		    att_pgaddr, att_pgsize, seg_vaddr,