On Sat, Sep 5, 2020 at 5:28 AM Bruce Momjian <br...@momjian.us> wrote: > On Fri, Sep 4, 2020 at 11:31:55PM +0800, Kelly Min wrote: > > I found a comment error in buffer descriptors comment. The cache line size > > is > > 64 bytes, not 64 bits > > Thanks, fix applied to all active branches.
I find it a bit strange that our PG_CACHE_LINE_SIZE macro is defined to be 128. Whether that exaggerated number (unless you're on POWER, where it's true) makes sense depends on what your goals are, as this usage of hard-coded 64 shows...
