Re: [RFC 0/3] Regressions due to 7b79d10a2d64 ("mm: convert kmalloc_section_memmap() to populate_section_memmap()") and Kasan initialization on

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On Wed, 15 Feb 2017 13:26:43 -0800 Dan Williams <dan.j.williams@xxxxxxxxx> wrote:

> >> The second one, i.e. [2/3], is something that hit my eye while browsing
> >> the source and I verified that this is indeed an issue by printk'ing and
> >> dumping the page tables.
> >>
> >> The third one are excessive warnings from vmemmap_verify() due to Kasan's
> >> NUMA_NO_NODE page populations.
> >
> > urggggh.
> >
> > That means these two series:
> >
> > mm-fix-type-width-of-section-to-from-pfn-conversion-macros.patch
> > mm-devm_memremap_pages-use-multi-order-radix-for-zone_device-lookups.patch
> > mm-introduce-struct-mem_section_usage-to-track-partial-population-of-a-section.patch
> > mm-introduce-common-definitions-for-the-size-and-mask-of-a-section.patch
> > mm-cleanup-sparse_init_one_section-return-value.patch
> > mm-track-active-portions-of-a-section-at-boot.patch
> > mm-track-active-portions-of-a-section-at-boot-fix.patch
> > mm-track-active-portions-of-a-section-at-boot-fix-fix.patch
> > mm-fix-register_new_memory-zone-type-detection.patch
> > mm-convert-kmalloc_section_memmap-to-populate_section_memmap.patch
> > mm-prepare-for-hot-add-remove-of-sub-section-ranges.patch
> > mm-support-section-unaligned-zone_device-memory-ranges.patch
> > mm-support-section-unaligned-zone_device-memory-ranges-fix.patch
> > mm-support-section-unaligned-zone_device-memory-ranges-fix-2.patch
> > mm-enable-section-unaligned-devm_memremap_pages.patch
> > libnvdimm-pfn-dax-stop-padding-pmem-namespaces-to-section-alignment.patch
> >
> 
> Yes, let's drop these and try again for 4.12. Thanks for the report
> and the debug Nicolai!

Please don't lose track of

mm-track-active-portions-of-a-section-at-boot-fix.patch
mm-track-active-portions-of-a-section-at-boot-fix-fix.patch
mm-support-section-unaligned-zone_device-memory-ranges-fix.patch
 mm-support-section-unaligned-zone_device-memory-ranges-fix-2.patch

> > and
> >
> > mm-devm_memremap_pages-hold-device_hotplug-lock-over-mem_hotplug_begin-done.patch
> > mm-validate-device_hotplug-is-held-for-memory-hotplug.patch
> 
> No, these are separate and are still valid for the merge window.

OK.  A bunch of rejects needed fixing.


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