diff options
| author | David Greenman <dg@FreeBSD.org> | 1996-06-20 01:47:21 +0000 |
|---|---|---|
| committer | David Greenman <dg@FreeBSD.org> | 1996-06-20 01:47:21 +0000 |
| commit | ac269d78bebccd29404766943cfeb3d3ac661aee (patch) | |
| tree | d9d54c342d7e0e859db3744c32d4a5f7f5a8e698 | |
| parent | baba307627ff2f283dd06e6a4103a22c6e6631a6 (diff) | |
Notes
| -rw-r--r-- | sys/amd64/amd64/vm_machdep.c | 22 | ||||
| -rw-r--r-- | sys/i386/i386/vm_machdep.c | 22 |
2 files changed, 18 insertions, 26 deletions
diff --git a/sys/amd64/amd64/vm_machdep.c b/sys/amd64/amd64/vm_machdep.c index 4d870ed268c4..008f20563243 100644 --- a/sys/amd64/amd64/vm_machdep.c +++ b/sys/amd64/amd64/vm_machdep.c @@ -38,7 +38,7 @@ * * from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91 * Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$ - * $Id: vm_machdep.c,v 1.63 1996/05/18 03:36:22 dyson Exp $ + * $Id: vm_machdep.c,v 1.64 1996/06/19 03:39:24 dyson Exp $ */ #include "npx.h" @@ -692,13 +692,12 @@ vmapbuf(bp) panic("vmapbuf"); for (v = bp->b_saveaddr, addr = bp->b_data; - addr < bp->b_data + bp->b_bufsize; - addr += PAGE_SIZE, v += PAGE_SIZE) { - -/* - * do the vm_fault if needed, do the copy-on-write thing when - * reading stuff off device into memory. - */ + addr < bp->b_data + bp->b_bufsize; + addr += PAGE_SIZE, v += PAGE_SIZE) { + /* + * Do the vm_fault if needed; do the copy-on-write thing + * when reading stuff off device into memory. + */ vm_fault_quick(addr, (bp->b_flags&B_READ)?(VM_PROT_READ|VM_PROT_WRITE):VM_PROT_READ); pa = trunc_page(pmap_kextract((vm_offset_t) addr)); @@ -727,14 +726,11 @@ vunmapbuf(bp) if ((bp->b_flags & B_PHYS) == 0) panic("vunmapbuf"); - for (addr = bp->b_data; - addr < bp->b_data + bp->b_bufsize; - addr += PAGE_SIZE) { - + for (addr = bp->b_data; addr < bp->b_data + bp->b_bufsize; + addr += PAGE_SIZE) { pa = trunc_page(pmap_kextract((vm_offset_t) addr)); pmap_kremove((vm_offset_t) addr); vm_page_unhold(PHYS_TO_VM_PAGE(pa)); - } bp->b_data = bp->b_saveaddr; diff --git a/sys/i386/i386/vm_machdep.c b/sys/i386/i386/vm_machdep.c index 4d870ed268c4..008f20563243 100644 --- a/sys/i386/i386/vm_machdep.c +++ b/sys/i386/i386/vm_machdep.c @@ -38,7 +38,7 @@ * * from: @(#)vm_machdep.c 7.3 (Berkeley) 5/13/91 * Utah $Hdr: vm_machdep.c 1.16.1.1 89/06/23$ - * $Id: vm_machdep.c,v 1.63 1996/05/18 03:36:22 dyson Exp $ + * $Id: vm_machdep.c,v 1.64 1996/06/19 03:39:24 dyson Exp $ */ #include "npx.h" @@ -692,13 +692,12 @@ vmapbuf(bp) panic("vmapbuf"); for (v = bp->b_saveaddr, addr = bp->b_data; - addr < bp->b_data + bp->b_bufsize; - addr += PAGE_SIZE, v += PAGE_SIZE) { - -/* - * do the vm_fault if needed, do the copy-on-write thing when - * reading stuff off device into memory. - */ + addr < bp->b_data + bp->b_bufsize; + addr += PAGE_SIZE, v += PAGE_SIZE) { + /* + * Do the vm_fault if needed; do the copy-on-write thing + * when reading stuff off device into memory. + */ vm_fault_quick(addr, (bp->b_flags&B_READ)?(VM_PROT_READ|VM_PROT_WRITE):VM_PROT_READ); pa = trunc_page(pmap_kextract((vm_offset_t) addr)); @@ -727,14 +726,11 @@ vunmapbuf(bp) if ((bp->b_flags & B_PHYS) == 0) panic("vunmapbuf"); - for (addr = bp->b_data; - addr < bp->b_data + bp->b_bufsize; - addr += PAGE_SIZE) { - + for (addr = bp->b_data; addr < bp->b_data + bp->b_bufsize; + addr += PAGE_SIZE) { pa = trunc_page(pmap_kextract((vm_offset_t) addr)); pmap_kremove((vm_offset_t) addr); vm_page_unhold(PHYS_TO_VM_PAGE(pa)); - } bp->b_data = bp->b_saveaddr; |