On 09/17/2018 07:29 AM, Thomas Gleixner wrote: > The large page preservation mechanism is just magic and provides no > information at all. Add optional statistic output in debugfs so the magic can > be evaluated. Defaults is off. > > Output: > > 1G pages checked: 2 > 1G pages sameprot: 0 > 1G pages preserved: 0 > 2M pages checked: 540 > 2M pages sameprot: 466 > 2M pages preserved: 47 > 4K pages checked: 800770 > 4K pages set-checked: 7668
Very nice, of course. We've all rigged one of these up as we've played with this code, and this will certainly help the next issue that we have. Reviewed-by: Dave Hansen <[email protected]>
