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Christoph Hellwig wrote: > On Tue, Mar 13, 2007 at 08:15:25PM +0100, Zoltan Menyhart wrote: > >> I had a look at copy_one_pte(). >> I cannot see any ioproc_update_page() call, not even for the COW pages. >> Is it intentional? >> > > There is no such thing as ioproc_update_page in any mainline tree. > You must be looking at some vendor tree with braindead patches applied. > > It looks like this function exists as a part of patches to support Quadrics NICs / RDMA (HPC platforms). The patches are there so the driver doesn't need to pin pages, it can be informed of page updates directly. A patch was submitted to l-k sometime in 2005. Matt - 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/ | ||||||||||
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