From 2164d3344693d2d4799fe91836d61f55516cbdf0 Mon Sep 17 00:00:00 2001 From: Cong Wang Date: Sat, 23 Jun 2012 11:33:51 +0800 Subject: pipe: remove KM_USER0 from comments Signed-off-by: Cong Wang --- include/linux/pipe_fs_i.h | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'include/linux') diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index e1ac1ce16fb0..e11d1c0fc60f 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -86,11 +86,9 @@ struct pipe_buf_operations { * mapping or not. The atomic map is faster, however you can't take * page faults before calling ->unmap() again. So if you need to eg * access user data through copy_to/from_user(), then you must get - * a non-atomic map. ->map() uses the KM_USER0 atomic slot for - * atomic maps, so you can't map more than one pipe_buffer at once - * and you have to be careful if mapping another page as source - * or destination for a copy (IOW, it has to use something else - * than KM_USER0). + * a non-atomic map. ->map() uses the kmap_atomic slot for + * atomic maps, you have to be careful if mapping another page as + * source or destination for a copy. */ void * (*map)(struct pipe_inode_info *, struct pipe_buffer *, int); -- cgit v1.2.3