lkml.org 
[lkml]   [2006]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: [PATCH]: Adding a counter in vma to indicate the number of physical pages backing it
    Date
    On Sunday 11 June 2006 18:09, Arjan van de Ven wrote:
    > On Fri, 2006-06-09 at 18:33 -0700, Rohit Seth wrote:
    > > Below is a patch that adds number of physical pages that each vma is
    > > using in a process. Exporting this information to user space
    > > using /proc/<pid>/maps interface.
    >
    > is it really worth bloating the vma struct for this? there are quite a
    > few workloads that have a gazilion vma's, and this patch adds both
    > memory usage and cache pressure to those workloads...

    I agree it's a bad idea. smaps is only a debugging kludge anyways
    and it's not a good idea to we bloat core data structures for it.

    -Andi
    -
    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: 2006-06-12 13:24    [W:0.030 / U:64.672 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site