David Miller wrote:
However, I wonder if we want to set this differently than the way this
patch does it. Depending on how far off the memory size is from a power
of two (exactly equal to a power of two is the worst case), and if total
memory <128M, it can be substantially less than 3/4.
Longer term, yes, probably a better way exists.
So you concern is that when we round to a power of 2 like we do
now, we often mis-shoot?
I'm not that concerned about it, but basically yes, there are big (x2)
jumps on power-of-two memory size boundaries. There's also a bigger
(x8) discontinuity at 128k pages. It could be smoother.
-John
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