powerpc/mm:book3s: Enable THP migration support (a0820ff3) · Commits · 戴 / test

arch/powerpc/include/asm/book3s/64/pgtable.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -741,6 +741,8 @@ static inline bool pte_user(pte_t pte)
		*/
		#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val((pte)) & ~_PAGE_PTE })
		#define __swp_entry_to_pte(x) __pte((x).val \| _PAGE_PTE)
		#define __pmd_to_swp_entry(pmd) (__pte_to_swp_entry(pmd_pte(pmd)))
		#define __swp_entry_to_pmd(x) (pte_pmd(__swp_entry_to_pte(x)))

		#ifdef CONFIG_MEM_SOFT_DIRTY
		#define _PAGE_SWP_SOFT_DIRTY (1UL << (SWP_TYPE_BITS + _PAGE_BIT_SWAP_TYPE))
		@@ -1091,6 +1093,12 @@ static inline pte_t pmdp_ptep(pmd_t pmd)
		#define pmd_soft_dirty(pmd) pte_soft_dirty(pmd_pte(pmd))
		#define pmd_mksoft_dirty(pmd) pte_pmd(pte_mksoft_dirty(pmd_pte(pmd)))
		#define pmd_clear_soft_dirty(pmd) pte_pmd(pte_clear_soft_dirty(pmd_pte(pmd)))

		#ifdef CONFIG_ARCH_ENABLE_THP_MIGRATION
		#define pmd_swp_mksoft_dirty(pmd) pte_pmd(pte_swp_mksoft_dirty(pmd_pte(pmd)))
		#define pmd_swp_soft_dirty(pmd) pte_swp_soft_dirty(pmd_pte(pmd))
		#define pmd_swp_clear_soft_dirty(pmd) pte_pmd(pte_swp_clear_soft_dirty(pmd_pte(pmd)))
		#endif
		#endif /* CONFIG_HAVE_ARCH_SOFT_DIRTY */

		#ifdef CONFIG_NUMA_BALANCING

+1 −0

Original line number	Diff line number	Diff line
		@@ -72,6 +72,7 @@ config PPC_BOOK3S_64
		select PPC_HAVE_PMU_SUPPORT
		select SYS_SUPPORTS_HUGETLBFS
		select HAVE_ARCH_TRANSPARENT_HUGEPAGE
		select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
		select ARCH_SUPPORTS_NUMA_BALANCING
		select IRQ_WORK