This is v2 post. V1 is here: http://lkml.kernel.org/r/20190320073540.12866-1-bhe@xxxxxxxxxx This patchset includes 4 patches. The first three patches are around sparse_add_one_section(). The last one is a simple clean up patch when review codes in hotplug path, carry it in this patchset. Baoquan He (4): mm/sparse: Clean up the obsolete code comment mm/sparse: Optimize sparse_add_one_section() mm/sparse: Rename function related to section memmap allocation/free drivers/base/memory.c: Rename the misleading parameter drivers/base/memory.c | 6 ++--- mm/sparse.c | 58 ++++++++++++++++++++++--------------------- 2 files changed, 33 insertions(+), 31 deletions(-) -- 2.17.2