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(parent: 962605f) | patch
powerpc/mm/hash64: Allocate larger PMD table if hugetlb config is enabled
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Sun, 11 Feb 2018 15:00:07 +0000 (20:30 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 13 Feb 2018 11:37:48 +0000 (22:37 +1100)
commitda8a1d7634984501c11c78db4740e27f457d41cd
tree7b8b2793877d5891594b68e1ce42f015724faabctree | snapshot
parent962605f8b6e1eff0fb7c486f4e62ab029275202acommit | diff
powerpc/mm/hash64: Allocate larger PMD table if hugetlb config is enabled

We use the second half of the page table to store slot information, so we must
allocate it always if hugetlb is possible.

Fixes: c76651f42012 ("powerpc: Free up four 64K PTE bits in 64K backed HPTE pages")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/book3s/64/hash-64k.h diff | blob | history
arch/powerpc/include/asm/book3s/64/hash.h diff | blob | history
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