On Thu, Jan 02, 2025 at 04:09:38AM +0000, Matthew Wilcox wrote: > On Wed, Jan 01, 2025 at 02:20:39PM -0800, SeongJae Park wrote: > > Hi all, > > > > > > I find a few interesting and promising projects that aim to do efficient access > > pattern-aware memory management of near future, including below (alphabetically > > sorted). > > > > - CXL hotness monitoring unit > > (https://lore.kernel.org/20241121101845.1815660-1-Jonathan.Cameron@xxxxxxxxxx) > > - Memory tiering fainess by per-cgroup control of promotion and demotion > > (https://lore.kernel.org/20241108190152.3587484-1-kaiyang2@xxxxxxxxxx) > > - Promotion of unmapped page cache folios > > (https://lore.kernel.org/20241210213744.2968-1-gourry@xxxxxxxxxx) > > I'm not sure how DAMON can help with this one. As I understand DAMON, > it monitors accesses to user addresses. This patchset is trying to solve > the problem for file pages which aren't mapped to userspace at all. > ie only accessed through read() and write(). DAMON can monitor physical addresses to, though the mechanism is different. I haven't assessed this as a solution, yet. ~Gregory
