diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index e8b6e5b8932c..2080dfeba64b 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1370,10 +1370,11 @@ static inline pmd_t pmd_mkwrite(pmd_t pmd) #ifdef CONFIG_TRANSPARENT_HUGEPAGE #define __HAVE_ARCH_PGTABLE_DEPOSIT -extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable); +extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, + pgtable_t pgtable); #define __HAVE_ARCH_PGTABLE_WITHDRAW -extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm); +extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); static inline int pmd_trans_splitting(pmd_t pmd) { diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index a938b548f07e..1ccbffecc4d5 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -1117,7 +1117,8 @@ void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address, } } -void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable) +void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, + pgtable_t pgtable) { struct list_head *lh = (struct list_head *) pgtable; @@ -1131,7 +1132,7 @@ void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable) mm->pmd_huge_pte = pgtable; } -pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm) +pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp) { struct list_head *lh; pgtable_t pgtable; diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 7619f2f792af..d22b92d67844 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -853,10 +853,11 @@ extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd); #define __HAVE_ARCH_PGTABLE_DEPOSIT -extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable); +extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, + pgtable_t pgtable); #define __HAVE_ARCH_PGTABLE_WITHDRAW -extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm); +extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); #endif /* Encode and de-code a swap entry */ diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index 83d89bcb44af..f828dd33551c 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -188,7 +188,8 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, } } -void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable) +void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, + pgtable_t pgtable) { struct list_head *lh = (struct list_head *) pgtable; @@ -202,7 +203,7 @@ void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable) mm->pmd_huge_pte = pgtable; } -pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm) +pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp) { struct list_head *lh; pgtable_t pgtable; diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index a59ff51b0166..18e27c210716 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -173,11 +173,12 @@ extern void pmdp_splitting_flush(struct vm_area_struct *vma, #endif #ifndef __HAVE_ARCH_PGTABLE_DEPOSIT -extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable); +extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, + pgtable_t pgtable); #endif #ifndef __HAVE_ARCH_PGTABLE_WITHDRAW -extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm); +extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); #endif #ifndef __HAVE_ARCH_PMDP_INVALIDATE diff --git a/mm/huge_memory.c b/mm/huge_memory.c index dab90fd67298..6b785e17b679 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -730,7 +730,7 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm, entry = mk_huge_pmd(page, vma); page_add_new_anon_rmap(page, vma, haddr); set_pmd_at(mm, haddr, pmd, entry); - pgtable_trans_huge_deposit(mm, pgtable); + pgtable_trans_huge_deposit(mm, pmd, pgtable); add_mm_counter(mm, MM_ANONPAGES, HPAGE_PMD_NR); mm->nr_ptes++; spin_unlock(&mm->page_table_lock); @@ -772,7 +772,7 @@ static bool set_huge_zero_page(pgtable_t pgtable, struct mm_struct *mm, entry = pmd_wrprotect(entry); entry = pmd_mkhuge(entry); set_pmd_at(mm, haddr, pmd, entry); - pgtable_trans_huge_deposit(mm, pgtable); + pgtable_trans_huge_deposit(mm, pmd, pgtable); mm->nr_ptes++; return true; } @@ -917,7 +917,7 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, pmdp_set_wrprotect(src_mm, addr, src_pmd); pmd = pmd_mkold(pmd_wrprotect(pmd)); set_pmd_at(dst_mm, addr, dst_pmd, pmd); - pgtable_trans_huge_deposit(dst_mm, pgtable); + pgtable_trans_huge_deposit(dst_mm, dst_pmd, pgtable); dst_mm->nr_ptes++; ret = 0; @@ -987,7 +987,7 @@ static int do_huge_pmd_wp_zero_page_fallback(struct mm_struct *mm, pmdp_clear_flush(vma, haddr, pmd); /* leave pmd empty until pte is filled */ - pgtable = pgtable_trans_huge_withdraw(mm); + pgtable = pgtable_trans_huge_withdraw(mm, pmd); pmd_populate(mm, &_pmd, pgtable); for (i = 0; i < HPAGE_PMD_NR; i++, haddr += PAGE_SIZE) { @@ -1085,7 +1085,7 @@ static int do_huge_pmd_wp_page_fallback(struct mm_struct *mm, pmdp_clear_flush(vma, haddr, pmd); /* leave pmd empty until pte is filled */ - pgtable = pgtable_trans_huge_withdraw(mm); + pgtable = pgtable_trans_huge_withdraw(mm, pmd); pmd_populate(mm, &_pmd, pgtable); for (i = 0; i < HPAGE_PMD_NR; i++, haddr += PAGE_SIZE) { @@ -1360,7 +1360,7 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, struct page *page; pgtable_t pgtable; pmd_t orig_pmd; - pgtable = pgtable_trans_huge_withdraw(tlb->mm); + pgtable = pgtable_trans_huge_withdraw(tlb->mm, pmd); orig_pmd = pmdp_get_and_clear(tlb->mm, addr, pmd); tlb_remove_pmd_tlb_entry(tlb, pmd, addr); if (is_huge_zero_pmd(orig_pmd)) { @@ -1693,7 +1693,7 @@ static int __split_huge_page_map(struct page *page, pmd = page_check_address_pmd(page, mm, address, PAGE_CHECK_ADDRESS_PMD_SPLITTING_FLAG); if (pmd) { - pgtable = pgtable_trans_huge_withdraw(mm); + pgtable = pgtable_trans_huge_withdraw(mm, pmd); pmd_populate(mm, &_pmd, pgtable); haddr = address; @@ -2363,7 +2363,7 @@ static void collapse_huge_page(struct mm_struct *mm, page_add_new_anon_rmap(new_page, vma, address); set_pmd_at(mm, address, pmd, _pmd); update_mmu_cache_pmd(vma, address, pmd); - pgtable_trans_huge_deposit(mm, pgtable); + pgtable_trans_huge_deposit(mm, pmd, pgtable); spin_unlock(&mm->page_table_lock); *hpage = NULL; @@ -2669,7 +2669,7 @@ static void __split_huge_zero_page_pmd(struct vm_area_struct *vma, pmdp_clear_flush(vma, haddr, pmd); /* leave pmd empty until pte is filled */ - pgtable = pgtable_trans_huge_withdraw(mm); + pgtable = pgtable_trans_huge_withdraw(mm, pmd); pmd_populate(mm, &_pmd, pgtable); for (i = 0; i < HPAGE_PMD_NR; i++, haddr += PAGE_SIZE) { diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index 0c8323fe6c8f..e1a6e4fab016 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -124,7 +124,8 @@ void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address, #ifndef __HAVE_ARCH_PGTABLE_DEPOSIT #ifdef CONFIG_TRANSPARENT_HUGEPAGE -void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable) +void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, + pgtable_t pgtable) { assert_spin_locked(&mm->page_table_lock); @@ -141,7 +142,7 @@ void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable) #ifndef __HAVE_ARCH_PGTABLE_WITHDRAW #ifdef CONFIG_TRANSPARENT_HUGEPAGE /* no "address" argument so destroys page coloring of some arch */ -pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm) +pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp) { pgtable_t pgtable;