On Tue, Jun 09, 2015 at 11:00:15PM +0300, Konstantin Khlebnikov wrote: > From: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx> > > This patch moves permission checks from pagemap_read() into pagemap_open(). > > Pointer to mm is saved in file->private_data. This reference pins only > mm_struct itself. /proc/*/mem, maps, smaps already work in the same way. > > Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx> > Link: http://lkml.kernel.org/r/CA+55aFyKpWrt_Ajzh1rzp_GcwZ4=6Y=kOv8hBz172CFJp6L8Tg@xxxxxxxxxxxxxx Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> -- 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