diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2008-01-09 17:42:18 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2008-01-09 17:42:18 +0000 |
| commit | 9ac5f0d02bb0fb6dd51b246e99bbe9cfdc9fe8c3 (patch) | |
| tree | 7bf505b05899ff645a49e45428bee84c51970ee1 /sys/uvm | |
| parent | 8abd24ecfe3247f25b4610cc877dd09bd6fab717 (diff) | |
Make uvm_page_lookup_freelist() simpler and faster if VM_PHYSSEG_MAX is 1.
Has been in snapshots for a short while.
Diffstat (limited to 'sys/uvm')
| -rw-r--r-- | sys/uvm/uvm_page_i.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/uvm/uvm_page_i.h b/sys/uvm/uvm_page_i.h index 3fb83b8b857..204c76084fc 100644 --- a/sys/uvm/uvm_page_i.h +++ b/sys/uvm/uvm_page_i.h @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_page_i.h,v 1.19 2007/12/18 11:05:52 thib Exp $ */ +/* $OpenBSD: uvm_page_i.h,v 1.20 2008/01/09 17:42:17 miod Exp $ */ /* $NetBSD: uvm_page_i.h,v 1.14 2000/11/27 07:47:42 chs Exp $ */ /* @@ -261,11 +261,15 @@ uvm_pagecopy(struct vm_page *src, struct vm_page *dst) PAGE_INLINE int uvm_page_lookup_freelist(struct vm_page *pg) { +#if VM_PHYSSEG_MAX == 1 + return (vm_physmem[0].free_list); +#else int lcv; lcv = vm_physseg_find(atop(VM_PAGE_TO_PHYS(pg)), NULL); KASSERT(lcv != -1); return (vm_physmem[lcv].free_list); +#endif } #endif /* defined(UVM_PAGE_INLINE) || defined(UVM_PAGE) */ |