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    SubjectRe: [patch 12/23] invalidate_bdev() speedup
    On Fri, 4 Aug 2006 09:50:13 +0100
    Christoph Hellwig <hch@infradead.org> wrote:

    > On Thu, Aug 03, 2006 at 10:39:42PM -0700, Greg KH wrote:
    > > -stable review patch. If anyone has any objections, please let us know.
    >
    > This is a feature. Definitly not -stable material.

    Apparently that regular IPI storm is causing the SGI machines some
    significant problems. I assume it's the interrupt latency problem again.
    Jes would know.

    It's not the biggest problem we've ever had, but if this patch is wrong,
    the pagecache/buffer_head layer is utterly busted. And it isn't.

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