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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2014-11-05 21:57:39 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-11-14 17:24:21 +1100 |
| commit | 06743521d0eae1263a09bccb1a92a9fbb94660b3 (patch) | |
| tree | 6cfd2a29bb7abe82501c64676f35ead205079ffd /arch/powerpc/mm/hugetlbpage.c | |
| parent | 9e819963b45f79e87f5a8c44960a66c0727c80e6 (diff) | |
powerpc/mm: Add missing pmd accessors
This patch add documentation and missing accessors.
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/mm/hugetlbpage.c')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index b460e723f0e..2b8e5ed2883 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -62,6 +62,9 @@ static unsigned nr_gpages; /* * We have PGD_INDEX_SIZ = 12 and PTE_INDEX_SIZE = 8, so that we can have * 16GB hugepage pte in PGD and 16MB hugepage pte at PMD; + * + * Defined in such a way that we can optimize away code block at build time + * if CONFIG_HUGETLB_PAGE=n. */ int pmd_huge(pmd_t pmd) { |