Re: Boot failures with "mm/sparse: Remove CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER" on powerpc (was Re: mmotm 2018-07-10-16-50 uploaded)

From
Pavel Tatashin <hidden>
Date
2018-07-11 13:55:59
Also in
linux-fsdevel, linux-mm, linuxppc-dev, lkml
Reply to
Oscar Salvador, 2018-07-11
I am OK, if this patch is removed from Baoquan's series. But, I would
still like to get rid of CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER, I
can work on this in my sparse_init re-write series. ppc64 should
really fallback safely to small chunks allocs, and if it does not
there is some existing bug. Michael please send the config that you
used.

Thank you,
Pavel
On Wed, Jul 11, 2018 at 9:37 AM Oscar Salvador
[off-list ref] wrote:
On Wed, Jul 11, 2018 at 10:49:58PM +1000, Michael Ellerman wrote:
quoted
akpm@linux-foundation.org writes:
quoted
The mm-of-the-moment snapshot 2018-07-10-16-50 has been uploaded to

   http://www.ozlabs.org/~akpm/mmotm/
...
quoted
* mm-sparse-add-a-static-variable-nr_present_sections.patch
* mm-sparsemem-defer-the-ms-section_mem_map-clearing.patch
* mm-sparsemem-defer-the-ms-section_mem_map-clearing-fix.patch
* mm-sparse-add-a-new-parameter-data_unit_size-for-alloc_usemap_and_memmap.patch
* mm-sparse-optimize-memmap-allocation-during-sparse_init.patch
* mm-sparse-optimize-memmap-allocation-during-sparse_init-checkpatch-fixes.patch
quoted
* mm-sparse-remove-config_sparsemem_alloc_mem_map_together.patch
This seems to be breaking my powerpc pseries qemu boots.

The boot log with some extra debug shows eg:

  $ make pseries_le_defconfig
Could you please share the config?
I was not able to find such config in the kernel tree.
--
Oscar Salvador
SUSE L3
Thread (11 messages) 11 messages, 7 authors, last reply 2018-07-12
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