On Tue, 30 Aug 2022 at 13:55, Tom Lane <t...@sss.pgh.pa.us> wrote: > I wonder if slab ought to artificially bump up such requests when > MEMORY_CONTEXT_CHECKING is enabled, so there's room for a sentinel. > I think it's okay for aset.c to not do that, because its power-of-2 > behavior means there usually is room for a sentinel; but slab's > policy makes it much more likely that there won't be.
I think it's fairly likely that small allocations are a power of 2, and I think most of our allocates are small, so I imagine that if we didn't do that for aset.c, we'd miss out on most of the benefits. David
