v4.1.x: coll/base: reduce memory consumption in Scatter#8636

jsquyres merged 1 commit intoopen-mpi:v4.1.xopen-mpi/ompi:v4.1.xfrom

mkurnosov:v4.1.x/scatter-fix-tmpbufmkurnosov/ompi:v4.1.x/scatter-fix-tmpbufCopy head branch name to clipboard