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powerpc/mm: Handle page table allocation failures
authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Tue, 28 May 2019 05:36:24 +0000 (11:06 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 4 Jul 2019 14:47:59 +0000 (00:47 +1000)
commit2230ebf6e6dd0b7751e2921b40f6cfe34f09bb16
treee082a3b18b2f2adbbcd034141bcb6cff82918ea8tree
parent57caddae6ef43531a9f09a7f123c670db0789dadcommit | diff
powerpc/mm: Handle page table allocation failures

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

Fixes: e2b3d202d1db ("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>
arch/powerpc/mm/hugetlbpage.c diff | blob | blame | history
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