powerpc/mm/dax: Fix the condition when checking if altmap vmemap can cross-boundary

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Without this fix, the last subsection vmemmap can end up in memory even if
the namespace is created with -M mem and has sufficient space in the altmap
area.

Fixes: cf387d9644 ("libnvdimm/altmap: Track namespace boundaries in altmap")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Tested-by: Sachin Sant <sachinp@linux.ibm.com <mailto:sachinp@linux.ibm.com>>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230616110826.344417-6-aneesh.kumar@linux.ibm.com

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Aneesh Kumar K.V 2023-06-16 16:38:15 +05:30 • committed by Michael Ellerman

parent d933557b85

commit c8eebc4a99

1 changed files with 1 additions and 1 deletions

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arch/powerpc/mm/init_64.c

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