On Thu, Apr 21, 2011 at 05:57:31PM +0800, Bob Liu wrote: > On Thu, Apr 21, 2011 at 5:47 PM, Daniel Glöckner <daniel...@gmx.net> wrote: > > On Thu, Apr 21, 2011 at 04:20:36PM +0800, Bob Liu wrote: > >> > on mmu systems do_mmap_pgoff contains a len = PAGE_ALIGN(len); line. > >> > If we depend on this behavior, why not do it here as well and get rid > >> > of the #ifdef? > >> > > >> > >> If do it in do_mmap_pgoff() the whole system will be effected, I am > >> not sure whether > >> it's correct and needed for other subsystem. > > > > With "here" I was referring to uvc_queue_mmap. > > > > I am sorry, I didn't get your idea. You mean using PAGE_ALIGN() here for both > mmu and no-mmu arch ?
Yes, rounding size to pages also increases the chance of the following while loop to end, should mmu do_mmap_pgoff ever have that line removed. Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
