Merge tag 'trace-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...

[linux-2.6-microblaze.git] / include / linux / huge_mm.h

diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 2999190..de29821 100644 (file)
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -36,8 +36,9 @@ int zap_huge_pud(struct mmu_gather *tlb, struct vm_area_struct *vma, pud_t *pud,
                 unsigned long addr);
 bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
                   unsigned long new_addr, pmd_t *old_pmd, pmd_t *new_pmd);
-int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, unsigned long addr,
-                   pgprot_t newprot, unsigned long cp_flags);
+int change_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
+                   pmd_t *pmd, unsigned long addr, pgprot_t newprot,
+                   unsigned long cp_flags);
 vm_fault_t vmf_insert_pfn_pmd_prot(struct vm_fault *vmf, pfn_t pfn,
                                   pgprot_t pgprot, bool write);
 
@@ -172,6 +173,20 @@ static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma)
        return false;
 }
 
+static inline bool file_thp_enabled(struct vm_area_struct *vma)
+{
+       struct inode *inode;
+
+       if (!vma->vm_file)
+               return false;
+
+       inode = vma->vm_file->f_inode;
+
+       return (IS_ENABLED(CONFIG_READ_ONLY_THP_FOR_FS)) &&
+              (vma->vm_flags & VM_EXEC) &&
+              !inode_is_open_for_write(inode) && S_ISREG(inode->i_mode);
+}
+
 bool transparent_hugepage_active(struct vm_area_struct *vma);
 
 #define transparent_hugepage_use_zero_page()                           \
@@ -347,7 +362,6 @@ static inline void prep_transhuge_page(struct page *page) {}
 static inline bool
 can_split_folio(struct folio *folio, int *pextra_pins)
 {
-       BUILD_BUG();
        return false;
 }
 static inline int