The patch titled
alsa: usx2y nopage
has been added to the -mm tree. Its filename is
alsa-usx2y-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: alsa: usx2y nopage
From: Nick Piggin <[EMAIL PROTECTED]>
Convert alsa usx2y driver from nopage to fault.
Signed-off-by: Nick Piggin <[EMAIL PROTECTED]>
Cc: Jaroslav Kysela <[EMAIL PROTECTED]>
Cc: Takashi Iwai <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
sound/usb/usx2y/usX2Yhwdep.c | 21 ++++++++-------------
sound/usb/usx2y/usx2yhwdeppcm.c | 19 ++++++-------------
2 files changed, 14 insertions(+), 26 deletions(-)
diff -puN sound/usb/usx2y/usX2Yhwdep.c~alsa-usx2y-nopage
sound/usb/usx2y/usX2Yhwdep.c
--- a/sound/usb/usx2y/usX2Yhwdep.c~alsa-usx2y-nopage
+++ a/sound/usb/usx2y/usX2Yhwdep.c
@@ -34,34 +34,29 @@
int usX2Y_hwdep_pcm_new(struct snd_card *card);
-static struct page * snd_us428ctls_vm_nopage(struct vm_area_struct *area,
unsigned long address, int *type)
+static int snd_us428ctls_vm_fault(struct vm_area_struct *area, struct vm_fault
*vmf)
{
unsigned long offset;
struct page * page;
void *vaddr;
- snd_printdd("ENTER, start %lXh, ofs %lXh, pgoff %ld, addr %lXh\n",
+ snd_printdd("ENTER, start %lXh, pgoff %ld\n",
area->vm_start,
- address - area->vm_start,
- (address - area->vm_start) >> PAGE_SHIFT,
- address);
+ vmf->pgoff);
- offset = area->vm_pgoff << PAGE_SHIFT;
- offset += address - area->vm_start;
- snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_SIGBUS);
+ offset = vmf->pgoff << PAGE_SHIFT;
vaddr = (char*)((struct usX2Ydev
*)area->vm_private_data)->us428ctls_sharedmem + offset;
page = virt_to_page(vaddr);
get_page(page);
- snd_printdd( "vaddr=%p made us428ctls_vm_nopage() return %p;
offset=%lX\n", vaddr, page, offset);
+ vmf->page = page;
- if (type)
- *type = VM_FAULT_MINOR;
+ snd_printdd( "vaddr=%p made us428ctls_vm_fault() page %p\n", vaddr,
page);
- return page;
+ return 0;
}
static struct vm_operations_struct us428ctls_vm_ops = {
- .nopage = snd_us428ctls_vm_nopage,
+ .fault = snd_us428ctls_vm_fault,
};
static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct
vm_area_struct *area)
diff -puN sound/usb/usx2y/usx2yhwdeppcm.c~alsa-usx2y-nopage
sound/usb/usx2y/usx2yhwdeppcm.c
--- a/sound/usb/usx2y/usx2yhwdeppcm.c~alsa-usx2y-nopage
+++ a/sound/usb/usx2y/usx2yhwdeppcm.c
@@ -683,30 +683,23 @@ static void snd_usX2Y_hwdep_pcm_vm_close
}
-static struct page * snd_usX2Y_hwdep_pcm_vm_nopage(struct vm_area_struct
*area, unsigned long address, int *type)
+static int snd_usX2Y_hwdep_pcm_vm_fault(struct vm_area_struct *area, struct
vm_fault *vmf)
{
unsigned long offset;
- struct page *page;
void *vaddr;
- offset = area->vm_pgoff << PAGE_SHIFT;
- offset += address - area->vm_start;
- snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_OOM);
+ offset = vmf->pgoff << PAGE_SHIFT;
vaddr = (char*)((struct usX2Ydev
*)area->vm_private_data)->hwdep_pcm_shm + offset;
- page = virt_to_page(vaddr);
- get_page(page);
-
- if (type)
- *type = VM_FAULT_MINOR;
-
- return page;
+ vmf->page = virt_to_page(vaddr);
+ get_page(vmf->page);
+ return 0;
}
static struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = {
.open = snd_usX2Y_hwdep_pcm_vm_open,
.close = snd_usX2Y_hwdep_pcm_vm_close,
- .nopage = snd_usX2Y_hwdep_pcm_vm_nopage,
+ .fault = snd_usX2Y_hwdep_pcm_vm_fault,
};
_
Patches currently in -mm which might be from [EMAIL PROTECTED] 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 [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
