On Fri, 6 Jul 2007 10:32:29 -0700 (PDT) Christoph Lameter <[email protected]> wrote: > I am a bit worried about the performance impact of all this flushing? What > is the worst case scenario here? > IMHO.... When a user set VM_EXEC to their anonymous memory intentionally and does many page faults. I myself don't think (file's) page cache flushing is not so heavy work because PG_arch_1 guarantees that icache flushing occurs just once at the first read in the system. Thanks, -Kame - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] 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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