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| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2018-09-20 21:09:43 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-03 08:39:58 +0300 |
| commit | f1981b5b302f7f3b4c8b9b5e25ea8c48cebb1ae1 (patch) | |
| tree | 4760438268ba749314c12e1640891a0eac917f5a /arch/powerpc/include/asm/book3s/64/hash-4k.h | |
| parent | da7ad366b497f5fc1d4a416f168057ba40bddb98 (diff) | |
| download | linux-f1981b5b302f7f3b4c8b9b5e25ea8c48cebb1ae1.tar.xz | |
powerpc/mm/hugetlb/book3s: add _PAGE_PRESENT to hugepd pointer.
This make hugetlb directory pointer similar to other page able entries. A hugepd
entry is identified by lack of _PAGE_PTE bit set and directory size stored in
HUGEPD_SHIFT_MASK. We update that to also look at _PAGE_PRESENT
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash-4k.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash-4k.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h index 9a3798660cef..15bc16b1dc9c 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-4k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h @@ -66,7 +66,7 @@ static inline int hash__hugepd_ok(hugepd_t hpd) * if it is not a pte and have hugepd shift mask * set, then it is a hugepd directory pointer */ - if (!(hpdval & _PAGE_PTE) && + if (!(hpdval & _PAGE_PTE) && (hpdval & _PAGE_PRESENT) && ((hpdval & HUGEPD_SHIFT_MASK) != 0)) return true; return false; |