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| author | peter <peter@FreeBSD.org> | 2002-04-28 00:15:48 +0000 |
|---|---|---|
| committer | peter <peter@FreeBSD.org> | 2002-04-28 00:15:48 +0000 |
| commit | 0feba1c376c506a50823d2756c48550954655faf (patch) | |
| tree | ed9386cd8bc5bf5db1a8d49e5119aef3aa591423 /sys/vm/vm_page.h | |
| parent | 91d576b0c5019ef4261a145263a2f6cb196c4e41 (diff) | |
| download | FreeBSD-src-0feba1c376c506a50823d2756c48550954655faf.zip FreeBSD-src-0feba1c376c506a50823d2756c48550954655faf.tar.gz | |
We do not necessarily need to map/unmap pages to zero parts of them.
On systems where physical memory is also direct mapped (alpha, sparc,
ia64 etc) this is slightly harmful.
Diffstat (limited to 'sys/vm/vm_page.h')
| -rw-r--r-- | sys/vm/vm_page.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/vm/vm_page.h b/sys/vm/vm_page.h index f7dfaa6..d4777ee 100644 --- a/sys/vm/vm_page.h +++ b/sys/vm/vm_page.h @@ -327,6 +327,7 @@ void vm_page_hold(vm_page_t mem); void vm_page_unhold(vm_page_t mem); void vm_page_protect(vm_page_t mem, int prot); boolean_t vm_page_zero_fill(vm_page_t m); +boolean_t vm_page_zero_fill_area(vm_page_t m, int off, int len); void vm_page_copy(vm_page_t src_m, vm_page_t dest_m); void vm_page_free(vm_page_t m); void vm_page_free_zero(vm_page_t m); |
