On Mon, 22 Nov 2021, Vlastimil Babka wrote: > It's no problem to have the real beginning of the object aligned, and the > prepended header not. The code already does that before this patch for the > kmalloc power-of-two alignments, where e.g. the object can be aligned to 256 > bytes, but the prepended header to a smaller ARCH_KMALLOC_MINALIGN / > ARCH_SLAB_MINALIGN. Ok but then the first object in a page may still have those issues. > > I dont know but it seems that making slob that sophisticated is counter > > productive. Remove SLOB? > > I wouldn't mind, but somebody might :) Well run a space efficiency analysis after this patch. If the memory used is larger than SLUB (with the configuration for minimal data footprint) then there is no reason for SLOB to continue.
