On 2013/10/02 8:27 AM, "Jan Kara" <[email protected]> wrote: >CC: Greg Kroah-Hartman <[email protected]> >CC: Peng Tao <[email protected]> >CC: Andreas Dilger <[email protected]> >CC: [email protected] >Signed-off-by: Jan Kara <[email protected]>
Acked-by: Andreas Dilger <[email protected]> >--- > 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

