[vm 5/6] convert users of remap_page_range() under sound/ to use remap_pfn_range()

From: William Lee Irwin III
Date: Sat Sep 25 2004 - 02:59:39 EST


On Sat, Sep 25, 2004 at 12:53:28AM -0700, William Lee Irwin III wrote:
> This patch converts uses of remap_page_range() via io_remap_page_range()
> in include/asm-*/ to use remap_pfn_range(). io_remap_page_range() has a
> similar physical address overflow issue that needs to be addressed later.

This patch converts all users of remap_page_range() under sound/ to use
remap_pfn_range(), with the exception of maestro3 changelogs, which are
likely expected to be preserved intact apart from additions (as most
changelogs are), regardless of API changes.


Index: mm3-2.6.9-rc2/sound/oss/ali5455.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/ali5455.c 2004-09-25 00:15:53.713606800 -0700
+++ mm3-2.6.9-rc2/sound/oss/ali5455.c 2004-09-25 00:28:42.280766832 -0700
@@ -934,7 +934,7 @@
dmabuf->rawbuf = rawbuf;
dmabuf->buforder = order;

- /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
+ /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(rawbuf + (PAGE_SIZE << order) - 1);
for (page = virt_to_page(rawbuf); page <= pend; page++)
SetPageReserved(page);
@@ -1955,7 +1955,9 @@
if (size > (PAGE_SIZE << dmabuf->buforder))
goto out;
ret = -EAGAIN;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(dmabuf->rawbuf), size, vma->vm_page_prot))
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(dmabuf->rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot))
goto out;
dmabuf->mapped = 1;
dmabuf->trigger = 0;
Index: mm3-2.6.9-rc2/sound/oss/au1000.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/au1000.c 2004-09-25 00:15:53.961569104 -0700
+++ mm3-2.6.9-rc2/sound/oss/au1000.c 2004-09-25 00:28:45.779234984 -0700
@@ -629,7 +629,7 @@
return -ENOMEM;
db->buforder = order;
/* now mark the pages as reserved;
- otherwise remap_page_range doesn't do what we want */
+ otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(db->rawbuf +
(PAGE_SIZE << db->buforder) - 1);
for (page = virt_to_page(db->rawbuf); page <= pend; page++)
@@ -1338,7 +1338,8 @@
ret = -EINVAL;
goto out;
}
- if (remap_page_range(vma->vm_start, virt_to_phys(db->rawbuf),
+ if (remap_pfn_range(vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
size, vma->vm_page_prot)) {
ret = -EAGAIN;
goto out;
Index: mm3-2.6.9-rc2/sound/oss/cmpci.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/cmpci.c 2004-09-25 00:15:54.083550560 -0700
+++ mm3-2.6.9-rc2/sound/oss/cmpci.c 2004-09-25 00:28:49.412682616 -0700
@@ -1393,7 +1393,7 @@
if (!db->rawbuf || !db->dmaaddr)
return -ENOMEM;
db->buforder = order;
- /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
+ /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
for (pstart = virt_to_page(db->rawbuf); pstart <= pend; pstart++)
SetPageReserved(pstart);
@@ -2301,7 +2301,9 @@
if (size > (PAGE_SIZE << db->buforder))
goto out;
ret = -EINVAL;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(db->rawbuf), size, vma->vm_page_prot))
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot))
goto out;
db->mapped = 1;
ret = 0;
Index: mm3-2.6.9-rc2/sound/oss/cs4281/cs4281m.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/cs4281/cs4281m.c 2004-09-25 00:15:54.478490520 -0700
+++ mm3-2.6.9-rc2/sound/oss/cs4281/cs4281m.c 2004-09-25 00:28:55.532752224 -0700
@@ -1755,7 +1755,7 @@
}
db->buforder = order;
// Now mark the pages as reserved; otherwise the
- // remap_page_range() in cs4281_mmap doesn't work.
+ // remap_pfn_range() in cs4281_mmap doesn't work.
// 1. get index to last page in mem_map array for rawbuf.
mapend = virt_to_page(db->rawbuf +
(PAGE_SIZE << db->buforder) - 1);
@@ -1778,7 +1778,7 @@
}
s->buforder_tmpbuff = order;
// Now mark the pages as reserved; otherwise the
- // remap_page_range() in cs4281_mmap doesn't work.
+ // remap_pfn_range() in cs4281_mmap doesn't work.
// 1. get index to last page in mem_map array for rawbuf.
mapend = virt_to_page(s->tmpbuff +
(PAGE_SIZE << s->buforder_tmpbuff) - 1);
@@ -3135,9 +3135,10 @@
size = vma->vm_end - vma->vm_start;
if (size > (PAGE_SIZE << db->buforder))
return -EINVAL;
- if (remap_page_range
- (vma, vma->vm_start, virt_to_phys(db->rawbuf), size,
- vma->vm_page_prot)) return -EAGAIN;
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot))
+ return -EAGAIN;
db->mapped = 1;

CS_DBGOUT(CS_FUNCTION | CS_PARMS | CS_OPEN, 4,
Index: mm3-2.6.9-rc2/sound/oss/cs46xx.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/cs46xx.c 2004-09-25 00:15:54.542480792 -0700
+++ mm3-2.6.9-rc2/sound/oss/cs46xx.c 2004-09-25 00:28:58.340325408 -0700
@@ -1190,7 +1190,7 @@
dmabuf->buforder = order;
dmabuf->rawbuf = rawbuf;
// Now mark the pages as reserved; otherwise the
- // remap_page_range() in cs46xx_mmap doesn't work.
+ // remap_pfn_range() in cs46xx_mmap doesn't work.
// 1. get index to last page in mem_map array for rawbuf.
mapend = virt_to_page(dmabuf->rawbuf +
(PAGE_SIZE << dmabuf->buforder) - 1);
@@ -1227,7 +1227,7 @@
dmabuf->buforder_tmpbuff = order;

// Now mark the pages as reserved; otherwise the
- // remap_page_range() in cs46xx_mmap doesn't work.
+ // remap_pfn_range() in cs46xx_mmap doesn't work.
// 1. get index to last page in mem_map array for rawbuf.
mapend = virt_to_page(dmabuf->tmpbuff +
(PAGE_SIZE << dmabuf->buforder_tmpbuff) - 1);
@@ -2452,7 +2452,8 @@
ret = -EINVAL;
goto out;
}
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(dmabuf->rawbuf),
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(dmabuf->rawbuf) >> PAGE_SHIFT,
size, vma->vm_page_prot))
{
ret = -EAGAIN;
Index: mm3-2.6.9-rc2/sound/oss/es1370.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/es1370.c 2004-09-25 00:15:53.525635376 -0700
+++ mm3-2.6.9-rc2/sound/oss/es1370.c 2004-09-25 00:29:05.662212312 -0700
@@ -573,7 +573,7 @@
if (!db->rawbuf)
return -ENOMEM;
db->buforder = order;
- /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
+ /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
for (page = virt_to_page(db->rawbuf); page <= pend; page++)
SetPageReserved(page);
@@ -1364,7 +1364,9 @@
ret = -EINVAL;
goto out;
}
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(db->rawbuf), size, vma->vm_page_prot)) {
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot)) {
ret = -EAGAIN;
goto out;
}
@@ -1940,7 +1942,9 @@
if (size > (PAGE_SIZE << s->dma_dac1.buforder))
goto out;
ret = -EAGAIN;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(s->dma_dac1.rawbuf), size, vma->vm_page_prot))
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(s->dma_dac1.rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot))
goto out;
s->dma_dac1.mapped = 1;
ret = 0;
Index: mm3-2.6.9-rc2/sound/oss/es1371.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/es1371.c 2004-09-25 00:15:53.887580352 -0700
+++ mm3-2.6.9-rc2/sound/oss/es1371.c 2004-09-25 00:29:08.231821672 -0700
@@ -910,7 +910,7 @@
if (!db->rawbuf)
return -ENOMEM;
db->buforder = order;
- /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
+ /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
for (page = virt_to_page(db->rawbuf); page <= pend; page++)
SetPageReserved(page);
@@ -1555,7 +1555,9 @@
ret = -EINVAL;
goto out;
}
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(db->rawbuf), size, vma->vm_page_prot)) {
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot)) {
ret = -EAGAIN;
goto out;
}
@@ -2128,7 +2130,9 @@
if (size > (PAGE_SIZE << s->dma_dac1.buforder))
goto out;
ret = -EAGAIN;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(s->dma_dac1.rawbuf), size, vma->vm_page_prot))
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(s->dma_dac1.rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot))
goto out;
s->dma_dac1.mapped = 1;
ret = 0;
Index: mm3-2.6.9-rc2/sound/oss/esssolo1.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/esssolo1.c 2004-09-25 00:15:54.389504048 -0700
+++ mm3-2.6.9-rc2/sound/oss/esssolo1.c 2004-09-25 00:29:11.880267024 -0700
@@ -445,7 +445,7 @@
if (!db->rawbuf)
return -ENOMEM;
db->buforder = order;
- /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
+ /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
for (page = virt_to_page(db->rawbuf); page <= pend; page++)
SetPageReserved(page);
@@ -1242,7 +1242,9 @@
if (size > (PAGE_SIZE << db->buforder))
goto out;
ret = -EAGAIN;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(db->rawbuf), size, vma->vm_page_prot))
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot))
goto out;
db->mapped = 1;
ret = 0;
Index: mm3-2.6.9-rc2/sound/oss/forte.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/forte.c 2004-09-25 00:15:54.271521984 -0700
+++ mm3-2.6.9-rc2/sound/oss/forte.c 2004-09-25 00:29:15.041786400 -0700
@@ -1409,7 +1409,8 @@
goto out;
}

- if (remap_page_range (vma, vma->vm_start, virt_to_phys (channel->buf),
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(channel->buf) >> PAGE_SHIFT,
size, vma->vm_page_prot)) {
DPRINTK ("%s: remap el a no worko\n", __FUNCTION__);
ret = -EAGAIN;
Index: mm3-2.6.9-rc2/sound/oss/i810_audio.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/i810_audio.c 2004-09-25 00:15:53.830589016 -0700
+++ mm3-2.6.9-rc2/sound/oss/i810_audio.c 2004-09-25 00:29:18.347283888 -0700
@@ -917,7 +917,7 @@
dmabuf->rawbuf = rawbuf;
dmabuf->buforder = order;

- /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
+ /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(rawbuf + (PAGE_SIZE << order) - 1);
for (page = virt_to_page(rawbuf); page <= pend; page++)
SetPageReserved(page);
@@ -1750,7 +1750,8 @@
if (size > (PAGE_SIZE << dmabuf->buforder))
goto out;
ret = -EAGAIN;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(dmabuf->rawbuf),
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(dmabuf->rawbuf) >> PAGE_SHIFT,
size, vma->vm_page_prot))
goto out;
dmabuf->mapped = 1;
Index: mm3-2.6.9-rc2/sound/oss/ite8172.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/ite8172.c 2004-09-25 00:15:54.330513016 -0700
+++ mm3-2.6.9-rc2/sound/oss/ite8172.c 2004-09-25 00:29:22.860597760 -0700
@@ -693,7 +693,7 @@
return -ENOMEM;
db->buforder = order;
/* now mark the pages as reserved;
- otherwise remap_page_range doesn't do what we want */
+ otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(db->rawbuf +
(PAGE_SIZE << db->buforder) - 1);
for (page = virt_to_page(db->rawbuf); page <= pend; page++)
@@ -1311,7 +1311,8 @@
unlock_kernel();
return -EINVAL;
}
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(db->rawbuf),
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
size, vma->vm_page_prot)) {
unlock_kernel();
return -EAGAIN;
Index: mm3-2.6.9-rc2/sound/oss/maestro.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/maestro.c 2004-09-25 00:15:53.596624584 -0700
+++ mm3-2.6.9-rc2/sound/oss/maestro.c 2004-09-25 00:29:32.279165920 -0700
@@ -2520,7 +2520,9 @@
if (size > (PAGE_SIZE << db->buforder))
goto out;
ret = -EAGAIN;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(db->rawbuf), size, vma->vm_page_prot))
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot))
goto out;
db->mapped = 1;
ret = 0;
@@ -2953,7 +2955,7 @@

}

- /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
+ /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(rawbuf + (PAGE_SIZE << order) - 1);
for (page = virt_to_page(rawbuf); page <= pend; page++)
SetPageReserved(page);
Index: mm3-2.6.9-rc2/sound/oss/maestro3.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/maestro3.c 2004-09-25 00:15:53.651616224 -0700
+++ mm3-2.6.9-rc2/sound/oss/maestro3.c 2004-09-25 00:29:30.275470528 -0700
@@ -1557,7 +1557,9 @@
* ask Jeff what the hell I'm doing wrong.
*/
ret = -EAGAIN;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(db->rawbuf), size, vma->vm_page_prot))
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot))
goto out;

db->mapped = 1;
Index: mm3-2.6.9-rc2/sound/oss/rme96xx.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/rme96xx.c 2004-09-25 00:15:54.230528216 -0700
+++ mm3-2.6.9-rc2/sound/oss/rme96xx.c 2004-09-25 00:29:36.517521592 -0700
@@ -1685,14 +1685,14 @@
if (vma->vm_flags & VM_WRITE) {
if (!s->started) rme96xx_startcard(s,1);

- if (remap_page_range(vma, vma->vm_start, virt_to_phys(s->playbuf + dma->outoffset*RME96xx_DMA_MAX_SIZE), size, vma->vm_page_prot)) {
+ if (remap_pfn_range(vma, vma->vm_start, virt_to_phys(s->playbuf + dma->outoffset*RME96xx_DMA_MAX_SIZE) >> PAGE_SHIFT, size, vma->vm_page_prot)) {
unlock_kernel();
return -EAGAIN;
}
}
else if (vma->vm_flags & VM_READ) {
if (!s->started) rme96xx_startcard(s,1);
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(s->playbuf + dma->inoffset*RME96xx_DMA_MAX_SIZE), size, vma->vm_page_prot)) {
+ if (remap_pfn_range(vma, vma->vm_start, virt_to_phys(s->playbuf + dma->inoffset*RME96xx_DMA_MAX_SIZE) >> PAGE_SHIFT, size, vma->vm_page_prot)) {
unlock_kernel();
return -EAGAIN;
}
Index: mm3-2.6.9-rc2/sound/oss/sonicvibes.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/sonicvibes.c 2004-09-25 00:15:54.181535664 -0700
+++ mm3-2.6.9-rc2/sound/oss/sonicvibes.c 2004-09-25 00:29:39.798022880 -0700
@@ -756,7 +756,7 @@
if ((virt_to_bus(db->rawbuf) + (PAGE_SIZE << db->buforder) - 1) & ~0xffffff)
printk(KERN_DEBUG "sv: DMA buffer beyond 16MB: busaddr 0x%lx size %ld\n",
virt_to_bus(db->rawbuf), PAGE_SIZE << db->buforder);
- /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
+ /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
for (page = virt_to_page(db->rawbuf); page <= pend; page++)
SetPageReserved(page);
@@ -1549,7 +1549,9 @@
if (size > (PAGE_SIZE << db->buforder))
goto out;
ret = -EAGAIN;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(db->rawbuf), size, vma->vm_page_prot))
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
+ size, vma->vm_page_prot))
goto out;
db->mapped = 1;
ret = 0;
Index: mm3-2.6.9-rc2/sound/oss/soundcard.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/soundcard.c 2004-09-25 00:15:54.126544024 -0700
+++ mm3-2.6.9-rc2/sound/oss/soundcard.c 2004-09-25 00:29:44.236348152 -0700
@@ -463,9 +463,9 @@
if (size != dmap->bytes_in_use) {
printk(KERN_WARNING "Sound: mmap() size = %ld. Should be %d\n", size, dmap->bytes_in_use);
}
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(dmap->raw_buf),
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot)) {
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(dmap->raw_buf) >> PAGE_SHIFT,
+ vma->vm_end - vma->vm_start, vma->vm_page_prot)) {
unlock_kernel();
return -EAGAIN;
}
Index: mm3-2.6.9-rc2/sound/oss/trident.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/trident.c 2004-09-25 00:15:53.769598288 -0700
+++ mm3-2.6.9-rc2/sound/oss/trident.c 2004-09-25 00:29:47.652828768 -0700
@@ -1281,7 +1281,7 @@
dmabuf->buforder = order;

/* now mark the pages as reserved; otherwise */
- /* remap_page_range doesn't do what we want */
+ /* remap_pfn_range doesn't do what we want */
pend = virt_to_page(rawbuf + (PAGE_SIZE << order) - 1);
for (page = virt_to_page(rawbuf); page <= pend; page++)
SetPageReserved(page);
@@ -2223,7 +2223,8 @@
if (size > (PAGE_SIZE << dmabuf->buforder))
goto out;
ret = -EAGAIN;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(dmabuf->rawbuf),
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(dmabuf->rawbuf) >> PAGE_SHIFT,
size, vma->vm_page_prot))
goto out;
dmabuf->mapped = 1;
Index: mm3-2.6.9-rc2/sound/oss/ymfpci.c
===================================================================
--- mm3-2.6.9-rc2.orig/sound/oss/ymfpci.c 2004-09-25 00:15:54.029558768 -0700
+++ mm3-2.6.9-rc2/sound/oss/ymfpci.c 2004-09-25 00:29:52.098152976 -0700
@@ -334,7 +334,7 @@
dmabuf->dma_addr = dma_addr;
dmabuf->buforder = order;

- /* now mark the pages as reserved; otherwise remap_page_range doesn't do what we want */
+ /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
mapend = virt_to_page(rawbuf + (PAGE_SIZE << order) - 1);
for (map = virt_to_page(rawbuf); map <= mapend; map++)
set_bit(PG_reserved, &map->flags);
@@ -1545,7 +1545,8 @@
size = vma->vm_end - vma->vm_start;
if (size > (PAGE_SIZE << dmabuf->buforder))
return -EINVAL;
- if (remap_page_range(vma, vma->vm_start, virt_to_phys(dmabuf->rawbuf),
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(dmabuf->rawbuf) >> PAGE_SHIFT,
size, vma->vm_page_prot))
return -EAGAIN;
dmabuf->mapped = 1;
-
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