On Tue, Jul 22, 2014 at 03:47:50PM -0400, Matthew Wilcox wrote: > Currently COW of an XIP file is done by first bringing in a read-only > mapping, then retrying the fault and copying the page. It is much more > efficient to tell the fault handler that a COW is being attempted (by > passing in the pre-allocated page in the vm_fault structure), and allow > the handler to perform the COW operation itself. > > Signed-off-by: Matthew Wilcox <matthew.r.wil...@intel.com> > Reviewed-by: Jan Kara <j...@suse.cz>
Acked-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com> -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
