km_alloc(9) needs to be passed a size that is a multiple of PAGE_SIZE.

ok mpi@

diff --git a/sys/uvm/uvm_page.c b/sys/uvm/uvm_page.c
index ee40e95..a90b23a 100644 (file)
--- a/sys/uvm/uvm_page.c
+++ b/sys/uvm/uvm_page.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: uvm_page.c,v 1.158 2021/09/05 11:44:46 mpi Exp $      */
+/*     $OpenBSD: uvm_page.c,v 1.159 2021/10/17 11:39:40 patrick Exp $  */
 /*     $NetBSD: uvm_page.c,v 1.44 2000/11/27 08:40:04 chs Exp $        */
 
 /*
@@ -542,8 +542,8 @@ uvm_page_physload(paddr_t start, paddr_t end, paddr_t avail_start,
 
                npages = end - start;  /* # of pages */
 
-               pgs = km_alloc(npages * sizeof(*pgs), &kv_any, &kp_zero,
-                   &kd_waitok);
+               pgs = km_alloc(round_page(npages * sizeof(*pgs)),
+                   &kv_any, &kp_zero, &kd_waitok);
                if (pgs == NULL) {
                        printf("uvm_page_physload: can not malloc vm_page "
                            "structs for segment\n");