diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 78427af91de9..c3bc7e9c9a2a 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -541,14 +541,14 @@ unsigned long thp_get_unmapped_area(struct file *filp, unsigned long addr, } EXPORT_SYMBOL_GPL(thp_get_unmapped_area); -static int __do_huge_pmd_anonymous_page(struct vm_fault *vmf, struct page *page, - gfp_t gfp) +static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf, + struct page *page, gfp_t gfp) { struct vm_area_struct *vma = vmf->vma; struct mem_cgroup *memcg; pgtable_t pgtable; unsigned long haddr = vmf->address & HPAGE_PMD_MASK; - int ret = 0; + vm_fault_t ret = 0; VM_BUG_ON_PAGE(!PageCompound(page), page); @@ -584,15 +584,15 @@ static int __do_huge_pmd_anonymous_page(struct vm_fault *vmf, struct page *page, /* Deliver the page fault to userland */ if (userfaultfd_missing(vma)) { - int ret; + vm_fault_t ret2; spin_unlock(vmf->ptl); mem_cgroup_cancel_charge(page, memcg, true); put_page(page); pte_free(vma->vm_mm, pgtable); - ret = handle_userfault(vmf, VM_UFFD_MISSING); - VM_BUG_ON(ret & VM_FAULT_FALLBACK); - return ret; + ret2 = handle_userfault(vmf, VM_UFFD_MISSING); + VM_BUG_ON(ret2 & VM_FAULT_FALLBACK); + return ret2; } entry = mk_huge_pmd(page, vma->vm_page_prot); @@ -663,7 +663,7 @@ static bool set_huge_zero_page(pgtable_t pgtable, struct mm_struct *mm, return true; } -int do_huge_pmd_anonymous_page(struct vm_fault *vmf) +vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; gfp_t gfp; @@ -682,7 +682,7 @@ int do_huge_pmd_anonymous_page(struct vm_fault *vmf) pgtable_t pgtable; struct page *zero_page; bool set; - int ret; + vm_fault_t ret; pgtable = pte_alloc_one(vma->vm_mm, haddr); if (unlikely(!pgtable)) return VM_FAULT_OOM; @@ -752,7 +752,7 @@ static void insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr, spin_unlock(ptl); } -int vmf_insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr, +vm_fault_t vmf_insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, pfn_t pfn, bool write) { pgprot_t pgprot = vma->vm_page_prot; @@ -812,7 +812,7 @@ static void insert_pfn_pud(struct vm_area_struct *vma, unsigned long addr, spin_unlock(ptl); } -int vmf_insert_pfn_pud(struct vm_area_struct *vma, unsigned long addr, +vm_fault_t vmf_insert_pfn_pud(struct vm_area_struct *vma, unsigned long addr, pud_t *pud, pfn_t pfn, bool write) { pgprot_t pgprot = vma->vm_page_prot; @@ -1118,15 +1118,16 @@ unlock: spin_unlock(vmf->ptl); } -static int do_huge_pmd_wp_page_fallback(struct vm_fault *vmf, pmd_t orig_pmd, - struct page *page) +static vm_fault_t do_huge_pmd_wp_page_fallback(struct vm_fault *vmf, + pmd_t orig_pmd, struct page *page) { struct vm_area_struct *vma = vmf->vma; unsigned long haddr = vmf->address & HPAGE_PMD_MASK; struct mem_cgroup *memcg; pgtable_t pgtable; pmd_t _pmd; - int ret = 0, i; + int i; + vm_fault_t ret = 0; struct page **pages; unsigned long mmun_start; /* For mmu_notifiers */ unsigned long mmun_end; /* For mmu_notifiers */ @@ -1236,7 +1237,7 @@ out_free_pages: goto out; } -int do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd) +vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd) { struct vm_area_struct *vma = vmf->vma; struct page *page = NULL, *new_page; @@ -1245,7 +1246,7 @@ int do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd) unsigned long mmun_start; /* For mmu_notifiers */ unsigned long mmun_end; /* For mmu_notifiers */ gfp_t huge_gfp; /* for allocation and charge */ - int ret = 0; + vm_fault_t ret = 0; vmf->ptl = pmd_lockptr(vma->vm_mm, vmf->pmd); VM_BUG_ON_VMA(!vma->anon_vma, vma); @@ -1457,7 +1458,7 @@ out: } /* NUMA hinting page fault entry point for trans huge pmds */ -int do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd) +vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd) { struct vm_area_struct *vma = vmf->vma; struct anon_vma *anon_vma = NULL; |