powerpc/mm: Handle page table allocation failures

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This fixes kernel crash that arises due to not handling page table allocation
failures while allocating hugetlb page table.

Fixes: e2b3d202d1 ("powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Aneesh Kumar K.V 2019-05-28 11:06:24 +05:30 • committed by Michael Ellerman

parent 57caddae6e

commit 2230ebf6e6

1 changed files with 8 additions and 0 deletions

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arch/powerpc/mm/hugetlbpage.c

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