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| author |   Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 23:26:30 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 21:53:57 +1000 |
| commit | bde3eb6222e49673d2ee9dfdc6ab6e7b6ff69e91 (patch) | |
| tree | 197a0e6cd5c9c3919852e626acdb67fcba9d42a7 /arch/powerpc/include/asm/book3s/64/pgtable-64k.h | |
| parent | powerpc/mm/thp: Abstraction for THP functions (diff) | |
| download | wireguard-linux-bde3eb6222e49673d2ee9dfdc6ab6e7b6ff69e91.tar.xz wireguard-linux-bde3eb6222e49673d2ee9dfdc6ab6e7b6ff69e91.zip | |
powerpc/mm/radix: Add radix THP callbacks
The deposited pgtable_t is a pte fragment hence we cannot use page->lru
for linking then together. We use the first two 64 bits for pte fragment
as list_head type to link all deposited fragments together. On withdraw
we properly zero then out.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/pgtable-64k.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/pgtable-64k.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h index 79331cf77613..793ecd5ea301 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h @@ -71,6 +71,8 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) static inline pmd_t pmd_mkhuge(pmd_t pmd) { + if (radix_enabled()) + return radix__pmd_mkhuge(pmd); return hash__pmd_mkhuge(pmd); } |