[lkml]   [2004]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: page fault fastpath: Increasing SMP scalability by introducing pte
    On Sun, 15 Aug 2004, Manfred Spraul wrote:

    > Very odd. Why do you see a problem with the page_table_lock but no
    > problem from the mmap semaphore?

    Because there is a only a down_read() call for the mmap semaphore before
    invoking handle_mm_fault. This is a rw semaphore which means that multiple
    processors/processes may be entering handle_mm_fault with a read lock on
    the mmap semaphore.
    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: 2005-03-22 14:05    [W:0.023 / U:15.644 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site