[lkml]   [2006]   [Sep]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [RFC] page fault retry with NOPAGE_RETRY
    On Fri, 15 Sep 2006, Andrew Morton wrote:
    > This assumes that no other heavyweight process will try to modify this
    > single-threaded process's mm. I don't _think_ that happens anywhere, does
    > it? access_process_vm() is the only case I can think of,

    "Modify" in the sense of fault into.
    Yes, access_process_vm() is all I can think of too.

    > and it does down_read(other process's mmap_sem).

    If there were anything else, it'd have to do so too (if not down_write).

    I too like NOPAGE_RETRY: as you've both observed, it can help to solve
    several different problems.

    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: 2006-09-15 15:33    [W:0.020 / U:11.748 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site