On Mon, Jul 09, 2018 at 02:29:28PM -0700, Andrew Morton wrote: > On Mon, 9 Jul 2018 13:53:09 -0400 Pavel Tatashin <pasha.tatashin@xxxxxxxxxx> wrote: > > > In sparse_init() we allocate two large buffers to temporary hold usemap and > > memmap for the whole machine. However, we can avoid doing that if we > > changed sparse_init() to operated on per-node bases instead of doing it on > > the whole machine beforehand. > > > > As shown by Baoquan > > http://lkml.kernel.org/r/20180628062857.29658-1-bhe@xxxxxxxxxx > > > > The buffers are large enough to cause machine stop to boot on small memory > > systems. > > > > These patches should be applied on top of Baoquan's work, as > > CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER is removed in that work. > > > > For the ease of review, I split this work so the first patch only adds new > > interfaces, the second patch enables them, and removes the old ones. > > This clashes pretty significantly with patches from Baoquan and Oscar: > > mm-sparse-make-sparse_init_one_section-void-and-remove-check.patch > mm-sparse-make-sparse_init_one_section-void-and-remove-check-fix.patch > mm-sparse-make-sparse_init_one_section-void-and-remove-check-fix-2.patch Does this patchset still clash with those patches? If so, since those patches are already in the -mm tree, would it be better to re-base the patchset on top of that? Thanks -- Oscar Salvador SUSE L3
