mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf
->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to
take a vma and vmf parameter when the vma already resides in vmf.
Remove the vma parameter to simplify things.
[arnd@arndb.de: fix ARM build]
Link: http://lkml.kernel.org/r/20170125223558.1451224-1-arnd@arndb.de
Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index fba021f..31d95dc 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -597,14 +597,14 @@ static int uio_find_mem_index(struct vm_area_struct *vma)
return -1;
}
-static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+static int uio_vma_fault(struct vm_fault *vmf)
{
- struct uio_device *idev = vma->vm_private_data;
+ struct uio_device *idev = vmf->vma->vm_private_data;
struct page *page;
unsigned long offset;
void *addr;
- int mi = uio_find_mem_index(vma);
+ int mi = uio_find_mem_index(vmf->vma);
if (mi < 0)
return VM_FAULT_SIGBUS;