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From: Hugh Dickins <hugh@veritas.com> Date: Fri, 18 Nov 2005 08:02:02 +0000 (GMT) > That code is necessary to reproduce the existing behaviour, which has > always done COW on PageReserved mappings without complaint - if the > vm_page_prot didn't already let you slip through without a WP fault. And there is evidence today that this is really needed, at least by vbetool. Ok, we need COW on VM_UNPAGED. :) - 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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