On Fri, 4 Jul 2025 14:11:13 +0800 Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> wrote: > On 2025/7/2 13:57, Nico Pache wrote: > > Allow madvise_collapse to scan/collapse all mTHP orders without the > > strict requirement of needing the PMD-order enabled. > > > > Signed-off-by: Nico Pache <npache@xxxxxxxxxx> > > I am afraid we should drop this patch from the series, since Hugh > explicitly opposed my modification of the madvise_collapse control logic > in this thread[1]. Well it drops easily enough. I don't know if it compiles yet. Nico, can you confirm that you're OK with the droppage and that the series is still good without this patch? > Moreover, since we have not yet clarified how to handle the conflict > between the semantics of madvise_collapse and the THP interfaces, we > should keep the current logic[2] (means madvise_collapse still only > allows PMD collapse). > > If madvise_collapse is to support mTHP collapse, there will be more > semantic conflicts to discuss. > > [1] > https://lore.kernel.org/all/cover.1750815384.git.baolin.wang@xxxxxxxxxxxxxxxxx/ > [2] > https://lore.kernel.org/all/23b8ad10-cd1f-45df-a25c-78d01c8af44f@xxxxxxxxxx/
