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    SubjectRe: [POLL] SLAB : Are the 32 and 192 bytes caches really usefull on x86_64 machines ?
    On Thu, Dec 29, 2005 at 12:50:10PM +1100, Keith Owens wrote:
    > Dave Jones (on Wed, 28 Dec 2005 20:29:15 -0500) wrote:
    > >
    > > > Something like this:
    > > >
    > > > http://lwn.net/Articles/124374/
    > >
    > >One thing that really sticks out like a sore thumb is soft_cursor()
    > >That thing gets called a *lot*, and every time it does a kmalloc/free
    > >pair that 99.9% of the time is going to be the same size alloc as
    > >it was the last time. This patch makes that alloc persistent
    > >(and does a realloc if the size changes).
    > >The only time it should change is if the font/resolution changes I think.
    >
    > Can soft_cursor() be called from multiple processes at the same time,
    > in particular with dual head systems? If so then a static variable is
    > not going to work.

    My dual-head system here displays a cloned image on the second
    screen, which seems to dtrt. I'm not sure how to make it show
    something different on the other head to test further.

    Dave

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