Convert our open coded offset_in_page() to the common macro.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
- page_offset = offset & (PAGE_SIZE-1);
+ page_offset = offset_in_page(offset);
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
- shmem_page_offset = offset & ~PAGE_MASK;
+ shmem_page_offset = offset_in_page(offset);
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
- data_page_offset = data_ptr & ~PAGE_MASK;
+ data_page_offset = offset_in_page(data_ptr);
page_length = remain;
if ((shmem_page_offset + page_length) > PAGE_SIZE)
page_length = remain;
if ((shmem_page_offset + page_length) > PAGE_SIZE)
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
- page_base = (offset & ~(PAGE_SIZE-1));
- page_offset = offset & (PAGE_SIZE-1);
+ page_base = offset & PAGE_MASK;
+ page_offset = offset_in_page(offset);
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
*/
if (fast_user_write(dev_priv->mm.gtt_mapping, page_base,
page_offset, user_data, page_length))
*/
if (fast_user_write(dev_priv->mm.gtt_mapping, page_base,
page_offset, user_data, page_length))
return -EFAULT;
remain -= page_length;
return -EFAULT;
remain -= page_length;
* page_length = bytes to copy for this page
*/
gtt_page_base = offset & PAGE_MASK;
* page_length = bytes to copy for this page
*/
gtt_page_base = offset & PAGE_MASK;
- gtt_page_offset = offset & ~PAGE_MASK;
+ gtt_page_offset = offset_in_page(offset);
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
- data_page_offset = data_ptr & ~PAGE_MASK;
+ data_page_offset = offset_in_page(data_ptr);
page_length = remain;
if ((gtt_page_offset + page_length) > PAGE_SIZE)
page_length = remain;
if ((gtt_page_offset + page_length) > PAGE_SIZE)
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
* page_offset = offset within page
* page_length = bytes to copy for this page
*/
- page_offset = offset & (PAGE_SIZE-1);
+ page_offset = offset_in_page(offset);
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
page_length = remain;
if ((page_offset + remain) > PAGE_SIZE)
page_length = PAGE_SIZE - page_offset;
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
* data_page_offset = offset with data_page_index page.
* page_length = bytes to copy for this page
*/
- shmem_page_offset = offset & ~PAGE_MASK;
+ shmem_page_offset = offset_in_page(offset);
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
data_page_index = data_ptr / PAGE_SIZE - first_data_page;
- data_page_offset = data_ptr & ~PAGE_MASK;
+ data_page_offset = offset_in_page(data_ptr);
page_length = remain;
if ((shmem_page_offset + page_length) > PAGE_SIZE)
page_length = remain;
if ((shmem_page_offset + page_length) > PAGE_SIZE)