On Tue, Jul 14, 2015 at 06:37:35PM +0300, Konstantin Khlebnikov wrote: > 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 from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html