On 2013/10/02 8:27 AM, "Jan Kara" <jack@xxxxxxx> wrote: >CC: Greg Kroah-Hartman <greg@xxxxxxxxx> >CC: Peng Tao <tao.peng@xxxxxxx> >CC: Andreas Dilger <andreas.dilger@xxxxxxxxx> >CC: hpdd-discuss@xxxxxxxxxxxx >Signed-off-by: Jan Kara <jack@xxxxxxx> Acked-by: Andreas Dilger <andreas.dilger@xxxxxxxxx> >--- > drivers/staging/lustre/lustre/llite/rw26.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > >diff --git a/drivers/staging/lustre/lustre/llite/rw26.c >b/drivers/staging/lustre/lustre/llite/rw26.c >index 96c29ad2fc8c..7e3e0967993b 100644 >--- a/drivers/staging/lustre/lustre/llite/rw26.c >+++ b/drivers/staging/lustre/lustre/llite/rw26.c >@@ -202,11 +202,8 @@ static inline int ll_get_user_pages(int rw, unsigned >long user_addr, > > OBD_ALLOC_LARGE(*pages, *max_pages * sizeof(**pages)); > if (*pages) { >- down_read(¤t->mm->mmap_sem); >- result = get_user_pages(current, current->mm, user_addr, >- *max_pages, (rw == READ), 0, *pages, >- NULL); >- up_read(¤t->mm->mmap_sem); >+ result = get_user_pages_fast(user_addr, *max_pages, >+ (rw == READ), *pages); > if (unlikely(result <= 0)) > OBD_FREE_LARGE(*pages, *max_pages * sizeof(**pages)); > } Cheers, Andreas -- Andreas Dilger Lustre Software Architect Intel High Performance Data Division -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href