Revert "Optimize tree page table implementation"
Revert "Optimize tree page table implementation"

This reverts commit 379b698cc0ae78a0712e67e5bf13165a504baec7.

cksystemsteaching/selfie,ChristianMoesl/selfie,cksystemsteaching/selfie,ChristianMoesl/selfie,cksystemsteaching/selfie