x86, mm: pass in 'total' to __copy_from_user_*nocache()

Impact: cleanup, enable future change

Add a 'total bytes copied' parameter to __copy_from_user_*nocache(),
and update all the callsites.

The parameter is not used yet - architecture code can use it to
more intelligently decide whether the copy should be cached or
non-temporal.

Cc: Salman Qazi <sqazi@google.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index 0c04615651b..bf54f8a2cf1 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -354,7 +354,7 @@ __xip_file_write(struct file *filp, const char __user *buf,
                         break;
 
                 copied = bytes -
-                        __copy_from_user_nocache(xip_mem + offset, buf, bytes);
+                        __copy_from_user_nocache(xip_mem + offset, buf, bytes, bytes);
 
                 if (likely(copied > 0)) {
                         status = copied;