lkml.org 
[lkml]   [2008]   [May]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] nommu: fix kobjsize() for SLOB and SLUB
    On Thu, 29 May 2008, David Howells wrote:

    > > Could the nommu people either tell us what this is all about? Or junk the
    > > code. This looks very wrong.
    >
    > ELF-FDPIC is currently using kobjsize() so that it can expand the heap/stack
    > segment to fill up the entirety of its allocation. It's probably worth
    > dropping that, though.
    >
    > NOMMU mmap() is using kobjsize()/ksize() to keep track of the number of bytes
    > allocated and the amount of dead space. We can probably ditch that too.
    >
    > However, fs/proc/task_nommu.c uses kobjsize() quite a bit to determine how
    > much metadata space a process is carrying around. We could just use sizeof(),
    > I suppose, and not bother calculating the slack.

    The nagging question here is: Why is page->private used in kobjsize()? A
    special heap/stack setup?




    \
     
     \ /
      Last update: 2008-05-29 17:03    [W:0.022 / U:181.892 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site