On Tue, Nov 30, 2010 at 08:02:56AM -0600, Anthony Liguori wrote: > If we're burning excess CPU walking a 100MB bitmap, then let's fix > that problem. Stopping every 1MB worth of the bitmap to do other > work just papers over the real problem (that we're walking 100MB > bitmap).
Just using a bit per page will already make the problem 8x smaller, won't it? Is that enough to avoid the need for a new kernel interface? -- MST
