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| author | Alexandre Ghiti <alex@ghiti.fr> | 2019-05-26 15:50:38 +0300 |
|---|---|---|
| committer | Paul Walmsley <paul.walmsley@sifive.com> | 2019-07-04 01:23:38 +0300 |
| commit | 9e953cda5cdf1c230a3c9b7fc4d5e94f15885a9b (patch) | |
| tree | b3f437ffbfa33f52497f1bd80a62c31d9799284e /arch/riscv/include/asm/hugetlb.h | |
| parent | 3876d4a38ae22bb56311abf5ea418eac46090c00 (diff) | |
| download | linux-9e953cda5cdf1c230a3c9b7fc4d5e94f15885a9b.tar.xz | |
riscv: Introduce huge page support for 32/64bit kernel
This patch implements both 4MB huge page support for 32bit kernel
and 2MB/1GB huge pages support for 64bit kernel.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Diffstat (limited to 'arch/riscv/include/asm/hugetlb.h')
| -rw-r--r-- | arch/riscv/include/asm/hugetlb.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/hugetlb.h b/arch/riscv/include/asm/hugetlb.h new file mode 100644 index 000000000000..728a5db66597 --- /dev/null +++ b/arch/riscv/include/asm/hugetlb.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_RISCV_HUGETLB_H +#define _ASM_RISCV_HUGETLB_H + +#include <asm-generic/hugetlb.h> +#include <asm/page.h> + +static inline int is_hugepage_only_range(struct mm_struct *mm, + unsigned long addr, + unsigned long len) { + return 0; +} + +static inline void arch_clear_hugepage_flags(struct page *page) +{ +} + +#endif /* _ASM_RISCV_HUGETLB_H */ |