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| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2020-07-13 18:07:48 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-07-29 14:09:37 +0300 |
| commit | ef26b76d1af61b90eb0dd3da58ad4f97d8e028f8 (patch) | |
| tree | 03244033b205138afd43756ddc8b727110bec62b /arch/powerpc/include | |
| parent | 81a413259a224f0d1783c41a74f18864d4f3d67e (diff) | |
| download | linux-ef26b76d1af61b90eb0dd3da58ad4f97d8e028f8.tar.xz | |
powerpc/hugetlb/cma: Allocate gigantic hugetlb pages using CMA
commit: cf11e85fc08c ("mm: hugetlb: optionally allocate gigantic hugepages using cma")
added support for allocating gigantic hugepages using CMA. This patch
enables the same for powerpc
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200713150749.25245-1-aneesh.kumar@linux.ibm.com
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/hugetlb.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 551a9d4d3958..013165e62618 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -57,6 +57,7 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty); +void gigantic_hugetlb_cma_reserve(void) __init; #include <asm-generic/hugetlb.h> #else /* ! CONFIG_HUGETLB_PAGE */ @@ -71,6 +72,12 @@ static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, { return NULL; } + + +static inline void __init gigantic_hugetlb_cma_reserve(void) +{ +} + #endif /* CONFIG_HUGETLB_PAGE */ #endif /* _ASM_POWERPC_HUGETLB_H */ |