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-rw-r--r--drivers/gpu/drm/via/via_dmablit.c6
-rw-r--r--drivers/rapidio/devices/rio_mport_cdev.c6
-rw-r--r--drivers/scsi/st.c6
-rw-r--r--drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c6
-rw-r--r--drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c20
-rw-r--r--drivers/video/fbdev/pvr2fb.c4
-rw-r--r--drivers/virt/fsl_hypervisor.c4
-rw-r--r--net/ceph/pagevec.c4
8 files changed, 20 insertions, 36 deletions
diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c
index 98aae9809249..32c9938e1e1e 100644
--- a/drivers/gpu/drm/via/via_dmablit.c
+++ b/drivers/gpu/drm/via/via_dmablit.c
@@ -238,9 +238,9 @@ via_lock_all_dma_pages(drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer)
vsg->pages = vzalloc(sizeof(struct page *) * vsg->num_pages);
if (NULL == vsg->pages)
return -ENOMEM;
- ret = get_user_pages_unlocked((unsigned long)xfer->mem_addr,
- vsg->num_pages, vsg->pages,
- (vsg->direction == DMA_FROM_DEVICE) ? FOLL_WRITE : 0);
+ ret = get_user_pages_fast((unsigned long)xfer->mem_addr,
+ vsg->num_pages, vsg->direction == DMA_FROM_DEVICE,
+ vsg->pages);
if (ret != vsg->num_pages) {
if (ret < 0)
return ret;
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c
index 5c1b6388122a..665d9e94a7e1 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -889,11 +889,9 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode,
goto err_req;
}
- pinned = get_user_pages_unlocked(
+ pinned = get_user_pages_fast(
(unsigned long)xfer->loc_addr & PAGE_MASK,
- nr_pages,
- page_list,
- dir == DMA_FROM_DEVICE ? FOLL_WRITE : 0);
+ nr_pages, dir == DMA_FROM_DEVICE, page_list);
if (pinned != nr_pages) {
if (pinned < 0) {
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 94e402ed30f6..b141d7641a2e 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4920,11 +4920,7 @@ static int sgl_map_user_pages(struct st_buffer *STbp,
/* Try to fault in all of the necessary pages */
/* rw==READ means read from drive, write into memory area */
- res = get_user_pages_unlocked(
- uaddr,
- nr_pages,
- pages,
- rw == READ ? FOLL_WRITE : 0); /* don't force */
+ res = get_user_pages_fast(uaddr, nr_pages, rw == READ, pages);
/* Errors and no page mapped should return here */
if (res < nr_pages)
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c b/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c
index 6e2dce7a5a2d..79bd540d7882 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c
@@ -1020,10 +1020,8 @@ static int alloc_user_pages(struct hmm_buffer_object *bo,
} else {
/*Handle frame buffer allocated in user space*/
mutex_unlock(&bo->mutex);
- down_read(&current->mm->mmap_sem);
- page_nr = get_user_pages((unsigned long)userptr,
- (int)(bo->pgnr), 1, pages, NULL);
- up_read(&current->mm->mmap_sem);
+ page_nr = get_user_pages_fast((unsigned long)userptr,
+ (int)(bo->pgnr), 1, pages);
mutex_lock(&bo->mutex);
bo->mem_type = HMM_BO_MEM_TYPE_USER;
}
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
index eea2d78b0ec6..315b49c1de3b 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
@@ -90,8 +90,7 @@ static irqreturn_t
vchiq_doorbell_irq(int irq, void *dev_id);
static struct vchiq_pagelist_info *
-create_pagelist(char __user *buf, size_t count, unsigned short type,
- struct task_struct *task);
+create_pagelist(char __user *buf, size_t count, unsigned short type);
static void
free_pagelist(struct vchiq_pagelist_info *pagelistinfo,
@@ -255,8 +254,7 @@ vchiq_prepare_bulk_data(VCHIQ_BULK_T *bulk, VCHI_MEM_HANDLE_T memhandle,
pagelistinfo = create_pagelist((char __user *)offset, size,
(dir == VCHIQ_BULK_RECEIVE)
? PAGELIST_READ
- : PAGELIST_WRITE,
- current);
+ : PAGELIST_WRITE);
if (!pagelistinfo)
return VCHIQ_ERROR;
@@ -395,8 +393,7 @@ cleanup_pagelistinfo(struct vchiq_pagelist_info *pagelistinfo)
*/
static struct vchiq_pagelist_info *
-create_pagelist(char __user *buf, size_t count, unsigned short type,
- struct task_struct *task)
+create_pagelist(char __user *buf, size_t count, unsigned short type)
{
PAGELIST_T *pagelist;
struct vchiq_pagelist_info *pagelistinfo;
@@ -476,14 +473,11 @@ create_pagelist(char __user *buf, size_t count, unsigned short type,
}
/* do not try and release vmalloc pages */
} else {
- down_read(&task->mm->mmap_sem);
- actual_pages = get_user_pages(
- (unsigned long)buf & PAGE_MASK,
+ actual_pages = get_user_pages_fast(
+ (unsigned long)buf & PAGE_MASK,
num_pages,
- (type == PAGELIST_READ) ? FOLL_WRITE : 0,
- pages,
- NULL /*vmas */);
- up_read(&task->mm->mmap_sem);
+ type == PAGELIST_READ,
+ pages);
if (actual_pages != num_pages) {
vchiq_log_info(vchiq_arm_log_level,
diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c
index 867c5218968f..a582d3ae7ac1 100644
--- a/drivers/video/fbdev/pvr2fb.c
+++ b/drivers/video/fbdev/pvr2fb.c
@@ -686,9 +686,7 @@ static ssize_t pvr2fb_write(struct fb_info *info, const char *buf,
if (!pages)
return -ENOMEM;
- ret = get_user_pages_unlocked((unsigned long)buf, nr_pages, pages,
- FOLL_WRITE);
-
+ ret = get_user_pages_fast((unsigned long)buf, nr_pages, true, pages);
if (ret < nr_pages) {
nr_pages = ret;
ret = -EINVAL;
diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c
index d993df5586c0..d70ad6d38879 100644
--- a/drivers/virt/fsl_hypervisor.c
+++ b/drivers/virt/fsl_hypervisor.c
@@ -243,8 +243,8 @@ static long ioctl_memcpy(struct fsl_hv_ioctl_memcpy __user *p)
sg_list = PTR_ALIGN(sg_list_unaligned, sizeof(struct fh_sg_list));
/* Get the physical addresses of the source buffer */
- num_pinned = get_user_pages_unlocked(param.local_vaddr - lb_offset,
- num_pages, pages, (param.source == -1) ? 0 : FOLL_WRITE);
+ num_pinned = get_user_pages_fast(param.local_vaddr - lb_offset,
+ num_pages, param.source != -1, pages);
if (num_pinned != num_pages) {
/* get_user_pages() failed */
diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c
index ee43bc13221c..a3d0adc828e6 100644
--- a/net/ceph/pagevec.c
+++ b/net/ceph/pagevec.c
@@ -25,9 +25,9 @@ struct page **ceph_get_direct_page_vector(const void __user *data,
return ERR_PTR(-ENOMEM);
while (got < num_pages) {
- rc = get_user_pages_unlocked(
+ rc = get_user_pages_fast(
(unsigned long)data + ((unsigned long)got * PAGE_SIZE),
- num_pages - got, pages + got, write_page ? FOLL_WRITE : 0);
+ num_pages - got, write_page, pages + got);
if (rc < 0)
break;
BUG_ON(rc == 0);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 10:56:53 +0000