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    SubjectRe: Slab Fragmentation Reduction V15
    On 01/30/2010 05:48 AM, Andi Kleen wrote:
    > On Fri, Jan 29, 2010 at 02:49:31PM -0600, Christoph Lameter wrote:

    >> 1. Establish a reference to an dentry/inode so that it is pinned.
    >> Hopefully in a way that is not too expensive (i.e. no superblock
    >> lock)
    >> 2. A means to free a dentry/inode objects from the VM reclaim context.
    > Al, do you have a suggestions on a good way to do that?

    You cannot free inode objects for files that are open, mmapped, etc.

    > I guess the problem could be simplified by ignoring dentries in "unusual"
    > states?

    You mean dentries that are in use? :)

    All rights reversed.

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