diff options
| author | alc <alc@FreeBSD.org> | 2009-06-07 19:38:26 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2009-06-07 19:38:26 +0000 |
| commit | 919e3cbf2805715b8fefeab48237aaec49b8b9e9 (patch) | |
| tree | 68d74e068916a4fdd1a70c4eef2639718f803b20 /sys/vm/vm_fault.c | |
| parent | 46d6a0d647524867f373c3528b384fdaef93bd07 (diff) | |
| download | FreeBSD-src-919e3cbf2805715b8fefeab48237aaec49b8b9e9.zip FreeBSD-src-919e3cbf2805715b8fefeab48237aaec49b8b9e9.tar.gz | |
Eliminate unnecessary obfuscation when testing a page's valid bits.
Diffstat (limited to 'sys/vm/vm_fault.c')
| -rw-r--r-- | sys/vm/vm_fault.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index 3a21616..74b0df4 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -394,7 +394,7 @@ RetryFault:; * found the page ). */ vm_page_busy(fs.m); - if (((fs.m->valid & VM_PAGE_BITS_ALL) != VM_PAGE_BITS_ALL) && + if (fs.m->valid != VM_PAGE_BITS_ALL && fs.m->object != kernel_object && fs.m->object != kmem_object) { goto readrest; } @@ -433,7 +433,7 @@ RetryFault:; unlock_and_deallocate(&fs); VM_WAITPFAULT; goto RetryFault; - } else if ((fs.m->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL) + } else if (fs.m->valid == VM_PAGE_BITS_ALL) break; } @@ -1024,9 +1024,8 @@ vm_fault_prefault(pmap_t pmap, vm_offset_t addra, vm_map_entry_t entry) VM_OBJECT_UNLOCK(lobject); break; } - if (((m->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL) && + if (m->valid == VM_PAGE_BITS_ALL && (m->flags & PG_FICTITIOUS) == 0) { - vm_page_lock_queues(); pmap_enter_quick(pmap, addr, m, entry->protection); vm_page_unlock_queues(); |
