The patch titled
usb: mon nopage
has been added to the -mm tree. Its filename is
usb-mon-nopage.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: usb: mon nopage
From: Nick Piggin <npiggin@xxxxxxx>
Convert USB mon driver from nopage to fault.
Signed-off-by: Nick Piggin <npiggin@xxxxxxx>
Acked-by: Pete Zaitcev <zaitcev@xxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/usb/mon/mon_bin.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff -puN drivers/usb/mon/mon_bin.c~usb-mon-nopage drivers/usb/mon/mon_bin.c
--- a/drivers/usb/mon/mon_bin.c~usb-mon-nopage
+++ a/drivers/usb/mon/mon_bin.c
@@ -1047,33 +1047,31 @@ static void mon_bin_vma_close(struct vm_
/*
* Map ring pages to user space.
*/
-struct page *mon_bin_vma_nopage(struct vm_area_struct *vma,
- unsigned long address, int *type)
+static int mon_bin_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct mon_reader_bin *rp = vma->vm_private_data;
unsigned long offset, chunk_idx;
struct page *pageptr;
- offset = (address - vma->vm_start) + (vma->vm_pgoff << PAGE_SHIFT);
+ offset = vmf->pgoff << PAGE_SHIFT;
if (offset >= rp->b_size)
- return NOPAGE_SIGBUS;
+ return VM_FAULT_SIGBUS;
chunk_idx = offset / CHUNK_SIZE;
pageptr = rp->b_vec[chunk_idx].pg;
get_page(pageptr);
- if (type)
- *type = VM_FAULT_MINOR;
- return pageptr;
+ vmf->page = pageptr;
+ return 0;
}
struct vm_operations_struct mon_bin_vm_ops = {
.open = mon_bin_vma_open,
.close = mon_bin_vma_close,
- .nopage = mon_bin_vma_nopage,
+ .fault = mon_bin_vma_fault,
};
int mon_bin_mmap(struct file *filp, struct vm_area_struct *vma)
{
- /* don't do anything here: "nopage" will set up page table entries */
+ /* don't do anything here: "fault" will set up page table entries */
vma->vm_ops = &mon_bin_vm_ops;
vma->vm_flags |= VM_RESERVED;
vma->vm_private_data = filp->private_data;
_
Patches currently in -mm which might be from npiggin@xxxxxxx are
mm-fix-xip-file-writes.patch
git-jfs.patch
nfs-use-gfp_nofs-preloads-for-radix-tree-insertion.patch
slub-use-non-atomic-bit-unlock.patch
radix-tree-avoid-atomic-allocations-for-preloaded-insertions.patch
mm-dont-allow-ioremapping-of-ranges-larger-than-vmalloc-space.patch
vt-bitlock-fix.patch
radix_treeh-trivial-comment-correction.patch
inotify-fix-race.patch
inotify-remove-debug-code.patch
rewrite-rd.patch
rewrite-rd-fix.patch
rd-support-xip.patch
reiser4.patch
ia64-ia32-nopage.patch
relay-nopage.patch
uio-nopage.patch
ieee1394-nopage.patch
v4l-nopage.patch
fb-defio-nopage.patch
agp-alpha-nopage.patch
sg-nopage.patch
ib-nopage.patch
usb-mon-nopage.patch
alsa-nopage.patch
alsa-usx2y-nopage.patch
mm-special-mapping-nopage.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
