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[v2,0/3] Cleanup and fixups for vmemmap handling

Message ID 20210203104750.23405-1-osalvador@suse.de (mailing list archive)
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Series Cleanup and fixups for vmemmap handling | expand

Message

Oscar Salvador Feb. 3, 2021, 10:47 a.m. UTC
Hi,

this series contains cleanups to remove dead code that handles
unaligned cases for 4K and 1GB pages (patch#1 and pathc#2) when
removing the vemmmap range, and a fix (patch#3) to handle the case
when two vmemmap ranges intersect a PMD.

More details can be found in the respective changelogs.


 v1 -> v2:
 - Remove dead code in remove_pud_table as well
 - Addessed feedback by David
 - Place the vmemap functions that take care of unaligned PMDs
   within CONFIG_SPARSEMEM_VMEMMAP

Oscar Salvador (3):
  x86/vmemmap: Drop handling of 4K unaligned vmemmap range
  x86/vmemmap: Drop handling of 1GB vmemmap ranges
  x86/vmemmap: Handle unpopulated sub-pmd ranges

 arch/x86/mm/init_64.c | 166 ++++++++++++++++++++++++------------------
 1 file changed, 96 insertions(+), 70 deletions(-)