Lines Matching refs:vm_flags
115 pgprot_t vm_get_page_prot(unsigned long vm_flags) in vm_get_page_prot() argument
117 pgprot_t ret = __pgprot(pgprot_val(protection_map[vm_flags & in vm_get_page_prot()
119 pgprot_val(arch_vm_get_page_prot(vm_flags))); in vm_get_page_prot()
125 static pgprot_t vm_pgprot_modify(pgprot_t oldprot, unsigned long vm_flags) in vm_pgprot_modify() argument
127 return pgprot_modify(oldprot, vm_get_page_prot(vm_flags)); in vm_pgprot_modify()
133 unsigned long vm_flags = vma->vm_flags; in vma_set_page_prot() local
136 vm_page_prot = vm_pgprot_modify(vma->vm_page_prot, vm_flags); in vma_set_page_prot()
138 vm_flags &= ~VM_SHARED; in vma_set_page_prot()
139 vm_page_prot = vm_pgprot_modify(vm_page_prot, vm_flags); in vma_set_page_prot()
151 if (vma->vm_flags & VM_SHARED) in __remove_shared_vm_struct()
668 if (vma->vm_flags & VM_SHARED) in __vma_link_file()
1031 struct file *file, unsigned long vm_flags, in is_mergeable_vma() argument
1042 if ((vma->vm_flags ^ vm_flags) & ~VM_SOFTDIRTY) in is_mergeable_vma()
1079 can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags, in can_vma_merge_before() argument
1084 if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx) && in can_vma_merge_before()
1100 can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags, in can_vma_merge_after() argument
1105 if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx) && in can_vma_merge_after()
1160 unsigned long end, unsigned long vm_flags, in vma_merge() argument
1173 if (vm_flags & VM_SPECIAL) in vma_merge()
1191 can_vma_merge_after(prev, vm_flags, in vma_merge()
1199 can_vma_merge_before(next, vm_flags, in vma_merge()
1214 khugepaged_enter_vma_merge(prev, vm_flags); in vma_merge()
1223 can_vma_merge_before(next, vm_flags, in vma_merge()
1241 khugepaged_enter_vma_merge(area, vm_flags); in vma_merge()
1266 !((a->vm_flags ^ b->vm_flags) & ~(VM_ACCESS_FLAGS | VM_SOFTDIRTY)) && in anon_vma_compatible()
1410 vm_flags_t vm_flags; in do_mmap() local
1470 vm_flags = calc_vm_prot_bits(prot, pkey) | calc_vm_flag_bits(flags) | in do_mmap()
1477 if (mlock_future_check(mm, vm_flags, len)) in do_mmap()
1517 vm_flags |= VM_SHARED | VM_MAYSHARE; in do_mmap()
1519 vm_flags &= ~(VM_MAYWRITE | VM_SHARED); in do_mmap()
1525 if (vm_flags & VM_EXEC) in do_mmap()
1527 vm_flags &= ~VM_MAYEXEC; in do_mmap()
1532 if (vm_flags & (VM_GROWSDOWN|VM_GROWSUP)) in do_mmap()
1542 if (vm_flags & (VM_GROWSDOWN|VM_GROWSUP)) in do_mmap()
1548 vm_flags |= VM_SHARED | VM_MAYSHARE; in do_mmap()
1568 vm_flags |= VM_NORESERVE; in do_mmap()
1572 vm_flags |= VM_NORESERVE; in do_mmap()
1575 addr = mmap_region(file, addr, len, vm_flags, pgoff, uf); in do_mmap()
1577 ((vm_flags & VM_LOCKED) || in do_mmap()
1669 vm_flags_t vm_flags = vma->vm_flags; in vma_wants_writenotify() local
1673 if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED))) in vma_wants_writenotify()
1683 pgprot_val(vm_pgprot_modify(vm_page_prot, vm_flags))) in vma_wants_writenotify()
1687 if (IS_ENABLED(CONFIG_MEM_SOFT_DIRTY) && !(vm_flags & VM_SOFTDIRTY)) in vma_wants_writenotify()
1691 if (vm_flags & VM_PFNMAP) in vma_wants_writenotify()
1703 static inline int accountable_mapping(struct file *file, vm_flags_t vm_flags) in accountable_mapping() argument
1712 return (vm_flags & (VM_NORESERVE | VM_SHARED | VM_WRITE)) == VM_WRITE; in accountable_mapping()
1716 unsigned long len, vm_flags_t vm_flags, unsigned long pgoff, in mmap_region() argument
1726 if (!may_expand_vm(mm, vm_flags, len >> PAGE_SHIFT)) { in mmap_region()
1735 if (!may_expand_vm(mm, vm_flags, in mmap_region()
1746 if (accountable_mapping(file, vm_flags)) { in mmap_region()
1750 vm_flags |= VM_ACCOUNT; in mmap_region()
1756 vma = vma_merge(mm, prev, addr, addr + len, vm_flags, in mmap_region()
1774 vma->vm_flags = vm_flags; in mmap_region()
1775 vma->vm_page_prot = vm_get_page_prot(vm_flags); in mmap_region()
1779 if (vm_flags & VM_SHARED) { in mmap_region()
1804 if (unlikely(vm_flags != vma->vm_flags && prev)) { in mmap_region()
1805 merge = vma_merge(mm, prev, vma->vm_start, vma->vm_end, vma->vm_flags, in mmap_region()
1816 vm_flags = vma->vm_flags; in mmap_region()
1821 vm_flags = vma->vm_flags; in mmap_region()
1822 } else if (vm_flags & VM_SHARED) { in mmap_region()
1831 if (!arch_validate_flags(vma->vm_flags)) { in mmap_region()
1842 if (file && vm_flags & VM_SHARED) in mmap_region()
1848 vm_stat_account(mm, vm_flags, len >> PAGE_SHIFT); in mmap_region()
1849 if (vm_flags & VM_LOCKED) { in mmap_region()
1850 if ((vm_flags & VM_SPECIAL) || vma_is_dax(vma) || in mmap_region()
1853 vma->vm_flags &= VM_LOCKED_CLEAR_MASK; in mmap_region()
1868 vma->vm_flags |= VM_SOFTDIRTY; in mmap_region()
1881 if (vm_flags & VM_SHARED) in mmap_region()
2338 if (!may_expand_vm(mm, vma->vm_flags, grow)) in acct_stack_growth()
2346 if (vma->vm_flags & VM_LOCKED) { in acct_stack_growth()
2357 new_start = (vma->vm_flags & VM_GROWSUP) ? vma->vm_start : in acct_stack_growth()
2384 if (!(vma->vm_flags & VM_GROWSUP)) in expand_upwards()
2402 if (!(next->vm_flags & VM_GROWSUP)) in expand_upwards()
2441 if (vma->vm_flags & VM_LOCKED) in expand_upwards()
2443 vm_stat_account(mm, vma->vm_flags, grow); in expand_upwards()
2458 khugepaged_enter_vma_merge(vma, vma->vm_flags); in expand_upwards()
2481 if (prev && !(prev->vm_flags & VM_GROWSDOWN) && in expand_downwards()
2521 if (vma->vm_flags & VM_LOCKED) in expand_downwards()
2523 vm_stat_account(mm, vma->vm_flags, grow); in expand_downwards()
2536 khugepaged_enter_vma_merge(vma, vma->vm_flags); in expand_downwards()
2575 if (prev->vm_flags & VM_LOCKED) in find_extend_vma()
2597 if (!(vma->vm_flags & VM_GROWSDOWN)) in find_extend_vma()
2602 if (vma->vm_flags & VM_LOCKED) in find_extend_vma()
2625 if (vma->vm_flags & VM_ACCOUNT) in remove_vma_list()
2627 vm_stat_account(mm, vma->vm_flags, -nrpages); in remove_vma_list()
2690 if (vma && (vma->vm_flags & VM_GROWSDOWN)) in detach_vmas_to_be_unmapped()
2692 if (prev && (prev->vm_flags & VM_GROWSUP)) in detach_vmas_to_be_unmapped()
2781 if (tmp->vm_flags & VM_LOCKED) { in unlock_range()
2969 if (!vma || !(vma->vm_flags & VM_SHARED)) in SYSCALL_DEFINE5()
2983 if (next->vm_flags != vma->vm_flags) in SYSCALL_DEFINE5()
2994 prot |= vma->vm_flags & VM_READ ? PROT_READ : 0; in SYSCALL_DEFINE5()
2995 prot |= vma->vm_flags & VM_WRITE ? PROT_WRITE : 0; in SYSCALL_DEFINE5()
2996 prot |= vma->vm_flags & VM_EXEC ? PROT_EXEC : 0; in SYSCALL_DEFINE5()
3000 if (vma->vm_flags & VM_LOCKED) in SYSCALL_DEFINE5()
3076 vma->vm_flags = flags; in do_brk_flags()
3085 vma->vm_flags |= VM_SOFTDIRTY; in do_brk_flags()
3179 if (vma->vm_flags & VM_ACCOUNT) in exit_mmap()
3199 if ((vma->vm_flags & VM_ACCOUNT) && in insert_vm_struct()
3250 new_vma = vma_merge(mm, prev, addr, addr + len, vma->vm_flags, in copy_vma()
3430 unsigned long vm_flags, void *priv, in __install_special_mapping() argument
3443 vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND | VM_SOFTDIRTY; in __install_special_mapping()
3444 vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); in __install_special_mapping()
3453 vm_stat_account(mm, vma->vm_flags, len >> PAGE_SHIFT); in __install_special_mapping()
3484 unsigned long vm_flags, const struct vm_special_mapping *spec) in _install_special_mapping() argument
3486 return __install_special_mapping(mm, addr, len, vm_flags, (void *)spec, in _install_special_mapping()
3492 unsigned long vm_flags, struct page **pages) in install_special_mapping() argument
3495 mm, addr, len, vm_flags, (void *)pages, in install_special_mapping()