lkml.org 
[lkml]   [2006]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [rfc] split_page function to split higher order pages?
    From
    Date
    On Mon, 2006-01-23 at 09:47 +0100, Heiko Carstens wrote:
    > > > > Just wondering what people think of the idea of using a helper
    > > > > function to split higher order pages instead of doing it manually?
    > > >
    > > > Maybe it's worth documenting that this is for kernel (or even
    > > > architecture) internal use only and that drivers really shouldn't be
    > > > doing this..
    > >
    > > I guess it doesn't seem like something drivers would need to use
    > > (and none appear to do anything like it).
    >
    > And I thought this could/should be used together with vm_insert_page() that
    > drivers are supposed to use nowadays instead of remap_pfn_range().
    > Why shouldn't drivers use this?

    because in that case the drivers shouldn't allocate higher order pages
    in the first place...


    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-01-23 09:56    [W:0.020 / U:29.768 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site