diff options
| author | Souptick Joarder <jrdr.linux@gmail.com> | 2020-06-17 08:15:30 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-06-18 09:48:50 +0200 |
| commit | 5631feed3932b062bd8a576c8deff666ccf1fb74 (patch) | |
| tree | 456f96f32e1f5684cab73354c966b58090616ba2 /drivers/staging/gasket | |
| parent | 98fe05e21a6e0ca242e974650ed58b64813cb2dc (diff) | |
staging: gasket: Convert get_user_pages*() --> pin_user_pages*()
In 2019, we introduced pin_user_pages*() and now we are converting
get_user_pages*() to the new API as appropriate. [1] & [2] could
be referred for more information.
[1] Documentation/core-api/pin_user_pages.rst
[2] "Explicit pinning of user-space pages":
https://lwn.net/Articles/807108/
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/1592361930-3813-1-git-send-email-jrdr.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/gasket')
| -rw-r--r-- | drivers/staging/gasket/gasket_page_table.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c index f3dbe0fe2a67..6f6273c83822 100644 --- a/drivers/staging/gasket/gasket_page_table.c +++ b/drivers/staging/gasket/gasket_page_table.c @@ -449,7 +449,7 @@ static bool gasket_release_page(struct page *page) if (!PageReserved(page)) SetPageDirty(page); - put_page(page); + unpin_user_page(page); return true; } @@ -486,12 +486,12 @@ static int gasket_perform_mapping(struct gasket_page_table *pg_tbl, ptes[i].dma_addr = pg_tbl->coherent_pages[0].paddr + off + i * PAGE_SIZE; } else { - ret = get_user_pages_fast(page_addr - offset, 1, + ret = pin_user_pages_fast(page_addr - offset, 1, FOLL_WRITE, &page); if (ret <= 0) { dev_err(pg_tbl->device, - "get user pages failed for addr=0x%lx, offset=0x%lx [ret=%d]\n", + "pin user pages failed for addr=0x%lx, offset=0x%lx [ret=%d]\n", page_addr, offset, ret); return ret ? ret : -ENOMEM; } |