diff options
Diffstat (limited to 'sys/uvm')
| -rw-r--r-- | sys/uvm/uvm_aobj.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sys/uvm/uvm_aobj.c b/sys/uvm/uvm_aobj.c index 70a848d0d75..20051d95dc1 100644 --- a/sys/uvm/uvm_aobj.c +++ b/sys/uvm/uvm_aobj.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_aobj.c,v 1.100 2021/10/23 14:42:07 mpi Exp $ */ +/* $OpenBSD: uvm_aobj.c,v 1.101 2021/10/24 13:46:14 mpi Exp $ */ /* $NetBSD: uvm_aobj.c,v 1.39 2001/02/18 21:19:08 chs Exp $ */ /* @@ -673,25 +673,22 @@ uao_create(vsize_t size, int flags) static struct uvm_aobj kernel_object_store; static int kobj_alloced = 0; int pages = round_page(size) >> PAGE_SHIFT; - int refs = UVM_OBJ_KERN; - int mflags; struct uvm_aobj *aobj; + int refs; /* * Allocate a new aobj, unless kernel object is requested. */ if (flags & UAO_FLAG_KERNOBJ) { - if (kobj_alloced) - panic("uao_create: kernel object already allocated"); - + KASSERT(!kobj_alloced); aobj = &kernel_object_store; aobj->u_pages = pages; aobj->u_flags = UAO_FLAG_NOSWAP; + refs = UVM_OBJ_KERN; kobj_alloced = UAO_FLAG_KERNOBJ; } else if (flags & UAO_FLAG_KERNSWAP) { + KASSERT(kobj_alloced == UAO_FLAG_KERNOBJ); aobj = &kernel_object_store; - if (kobj_alloced != UAO_FLAG_KERNOBJ) - panic("uao_create: asked to enable swap on kernel object"); kobj_alloced = UAO_FLAG_KERNSWAP; } else { aobj = pool_get(&uvm_aobj_pool, PR_WAITOK); @@ -704,6 +701,8 @@ uao_create(vsize_t size, int flags) * allocate hash/array if necessary */ if (flags == 0 || (flags & (UAO_FLAG_KERNSWAP | UAO_FLAG_CANFAIL))) { + int mflags; + if (flags) mflags = M_NOWAIT; else @@ -884,8 +883,9 @@ uao_flush(struct uvm_object *uobj, voff_t start, voff_t stop, int flags) * Don't need to do any work here if we're not freeing * or deactivating pages. */ - if ((flags & (PGO_DEACTIVATE|PGO_FREE)) == 0) + if ((flags & (PGO_DEACTIVATE|PGO_FREE)) == 0) { return TRUE; + } curoff = start; for (;;) { |