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| author |   Punit Agrawal <punit.agrawal@arm.com> | 2017-08-22 11:42:46 +0100 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2017-08-22 17:47:10 +0100 |
| commit | c3e4ed5c3d5d79af940eb24c810dddcec6d2b536 (patch) | |
| tree | 7fe96053cdf9e6bc952930b6162f413e9bba7cfa /arch/arm64/include/asm/hugetlb.h | |
| parent | arm64: hugetlb: Handle swap entries in huge_pte_offset() for contiguous hugepages (diff) | |
| download | linux-dev-c3e4ed5c3d5d79af940eb24c810dddcec6d2b536.tar.xz linux-dev-c3e4ed5c3d5d79af940eb24c810dddcec6d2b536.zip | |
arm64: hugetlb: Override huge_pte_clear() to support contiguous hugepages
The default huge_pte_clear() implementation does not clear contiguous
page table entries when it encounters contiguous hugepages that are
supported on arm64.
Fix this by overriding the default implementation to clear all the
entries associated with contiguous hugepages.
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Cc: David Woods <dwoods@mellanox.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/hugetlb.h')
| -rw-r--r-- | arch/arm64/include/asm/hugetlb.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h index 793bd73b0d07..df8c0aea0917 100644 --- a/arch/arm64/include/asm/hugetlb.h +++ b/arch/arm64/include/asm/hugetlb.h @@ -18,7 +18,6 @@ #ifndef __ASM_HUGETLB_H #define __ASM_HUGETLB_H -#include <asm-generic/hugetlb.h> #include <asm/page.h> static inline pte_t huge_ptep_get(pte_t *ptep) @@ -82,6 +81,11 @@ extern void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep); extern void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep); +extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, unsigned long sz); +#define huge_pte_clear huge_pte_clear + +#include <asm-generic/hugetlb.h> #ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE static inline bool gigantic_page_supported(void) { return true; } |