[lkml]   [2006]   [Oct]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: copy_from_user / copy_to_user with no swap space
    Am Montag, 16. Oktober 2006 21:19 schrieb mfbaustx:
    > So, IF you MUST copy_from/to_user when in the context of the process, AND  
    > IF you have no virtual memory/swapping, THEN must it not be true that you  
    > can ALWAYS dereferences your user space pointers?

    No. Your code may be only partially paged into RAM.
    The same can happen for any mmaped data.

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2006-10-16 21:31    [W:0.021 / U:99.952 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site