Messages in this thread Patch in this message | | | From | Zi Yan <> | Subject | [RFC PATCH 4/9] i386: mm: migrate: add pmd swap entry to support thp migration. | Date | Thu, 26 Apr 2018 10:27:59 -0400 |
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From: Zi Yan <zi.yan@cs.rutgers.edu>
Signed-off-by: Zi Yan <zi.yan@cs.rutgers.edu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: x86@kernel.org Cc: linux-mm@kvack.org --- arch/x86/include/asm/pgtable-2level.h | 2 ++ arch/x86/include/asm/pgtable-3level.h | 2 ++ 2 files changed, 4 insertions(+)
diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h index 685ffe8a0eaf..fba4722ec2c2 100644 --- a/arch/x86/include/asm/pgtable-2level.h +++ b/arch/x86/include/asm/pgtable-2level.h @@ -93,6 +93,8 @@ static inline unsigned long pte_bitop(unsigned long value, unsigned int rightshi ((type) << (_PAGE_BIT_PRESENT + 1)) \ | ((offset) << SWP_OFFSET_SHIFT) }) #define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) +#define __pmd_to_swp_entry(pmd) ((swp_entry_t) { native_pmd_val(pmd) }) #define __swp_entry_to_pte(x) ((pte_t) { .pte = (x).val }) +#define __swp_entry_to_pmd(x) (native_make_pmd(x.val)) #endif /* _ASM_X86_PGTABLE_2LEVEL_H */ diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index f24df59c40b2..9b7e3c74fbc0 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -246,7 +246,9 @@ static inline pud_t native_pudp_get_and_clear(pud_t *pudp) #define __swp_offset(x) ((x).val >> 5) #define __swp_entry(type, offset) ((swp_entry_t){(type) | (offset) << 5}) #define __pte_to_swp_entry(pte) ((swp_entry_t){ (pte).pte_high }) +#define __pmd_to_swp_entry(pmd) ((swp_entry_t){ (pmd).pmd_high }) #define __swp_entry_to_pte(x) ((pte_t){ { .pte_high = (x).val } }) +#define __swp_entry_to_pmd(x) ((pmd_t){ { .pmd_high = (x).val } }) #define gup_get_pte gup_get_pte /* -- 2.17.0
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