SLUB vs SLAB allocator with respect to 3.x and 4.x kernels

From: Navin Parakkal
Date: Thu Aug 27 2015 - 10:26:53 EST


I found that in many worst case scenarios like fragmention of
allocator , slub performs well than slab.
I also noticed that Centos /Ubuntu etc switched to SLUB but SLES
still uses SLAB in the default image.

Any particular reason where SLAB is the choice ?

I ask this since i find SLUB to be the default choice since 2.6.23 as

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