Fix highmem initialization on arm and xtensa

Hi Linus,

The following changes since commit 4ef8451b332662d004df269d4cdeb7d9f31419b5:

Merge tag 'perf-tools-for-v5.10-2020-11-03' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux (2020-11-03 13:28:50 -0800)

are available in the Git repository at:

ssh://[email protected]/pub/scm/linux/kernel/git/rppt/memblock.git tags/fixes-2020-11-05

for you to fetch changes up to b9bc36704cca500e2b41be4c5bf615c1d7ddc3ce:

ARM, xtensa: highmem: avoid clobbering non-page aligned memory reservations (2020-11-04 10:42:57 +0200)

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Fix highmem initialization on arm and xtensa

Recent refactoring of memblock iterators has broken initialization of highmem on arm and xtensa because it changed the way beginning and end of memory regions are rounded to PFNs. This fix restores the original behaviour.

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Ard Biesheuvel (1):
ARM, xtensa: highmem: avoid clobbering non-page aligned memory reservations

 arch/arm/mm/init.c    | 4 ++--
 arch/xtensa/mm/init.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

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Sincerely yours,
Mike.