Merge PR #23975 into master

* refs/pull/23975/head:
	common/buffer.cc: add create_small_page_aligned to avoid mem waste when apply for small mem in big page size(e.g. 64k) OS

Reviewed-by: Sage Weil <sage@redhat.com>
Reviewed-by: Josh Durgin <jdurgin@redhat.com>

diff --cc src/msg/async/AsyncConnection.cc
Simple merge

diff --cc src/msg/simple/Pipe.cc
Simple merge

diff --cc src/os/bluestore/BlueStore.cc
Simple merge