Lines Matching refs:vm_flags
109 pgprot_t vm_get_page_prot(unsigned long vm_flags) in vm_get_page_prot() argument
111 pgprot_t ret = __pgprot(pgprot_val(protection_map[vm_flags & in vm_get_page_prot()
113 pgprot_val(arch_vm_get_page_prot(vm_flags))); in vm_get_page_prot()
119 static pgprot_t vm_pgprot_modify(pgprot_t oldprot, unsigned long vm_flags) in vm_pgprot_modify() argument
121 return pgprot_modify(oldprot, vm_get_page_prot(vm_flags)); in vm_pgprot_modify()
127 unsigned long vm_flags = vma->vm_flags; in vma_set_page_prot() local
130 vm_page_prot = vm_pgprot_modify(vma->vm_page_prot, vm_flags); in vma_set_page_prot()
132 vm_flags &= ~VM_SHARED; in vma_set_page_prot()
133 vm_page_prot = vm_pgprot_modify(vm_page_prot, vm_flags); in vma_set_page_prot()
145 if (vma->vm_flags & VM_DENYWRITE) in __remove_shared_vm_struct()
147 if (vma->vm_flags & VM_SHARED) in __remove_shared_vm_struct()
665 if (vma->vm_flags & VM_DENYWRITE) in __vma_link_file()
667 if (vma->vm_flags & VM_SHARED) in __vma_link_file()
1030 struct file *file, unsigned long vm_flags, in is_mergeable_vma() argument
1041 if ((vma->vm_flags ^ vm_flags) & ~VM_SOFTDIRTY) in is_mergeable_vma()
1078 can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags, in can_vma_merge_before() argument
1083 if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx) && in can_vma_merge_before()
1099 can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags, in can_vma_merge_after() argument
1104 if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx) && in can_vma_merge_after()
1159 unsigned long end, unsigned long vm_flags, in vma_merge() argument
1172 if (vm_flags & VM_SPECIAL) in vma_merge()
1190 can_vma_merge_after(prev, vm_flags, in vma_merge()
1198 can_vma_merge_before(next, vm_flags, in vma_merge()
1213 khugepaged_enter_vma_merge(prev, vm_flags); in vma_merge()
1222 can_vma_merge_before(next, vm_flags, in vma_merge()
1240 khugepaged_enter_vma_merge(area, vm_flags); in vma_merge()
1265 !((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
1472 vm_flags = calc_vm_prot_bits(prot, pkey) | calc_vm_flag_bits(flags) | in do_mmap()
1479 if (mlock_future_check(mm, vm_flags, len)) in do_mmap()
1525 vm_flags |= VM_SHARED | VM_MAYSHARE; in do_mmap()
1527 vm_flags &= ~(VM_MAYWRITE | VM_SHARED); in do_mmap()
1533 if (vm_flags & VM_EXEC) in do_mmap()
1535 vm_flags &= ~VM_MAYEXEC; in do_mmap()
1540 if (vm_flags & (VM_GROWSDOWN|VM_GROWSUP)) in do_mmap()
1550 if (vm_flags & (VM_GROWSDOWN|VM_GROWSUP)) in do_mmap()
1556 vm_flags |= VM_SHARED | VM_MAYSHARE; in do_mmap()
1576 vm_flags |= VM_NORESERVE; in do_mmap()
1580 vm_flags |= VM_NORESERVE; in do_mmap()
1583 addr = mmap_region(file, addr, len, vm_flags, pgoff, uf); in do_mmap()
1585 ((vm_flags & VM_LOCKED) || in do_mmap()
1680 vm_flags_t vm_flags = vma->vm_flags; in vma_wants_writenotify() local
1684 if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED))) in vma_wants_writenotify()
1694 pgprot_val(vm_pgprot_modify(vm_page_prot, vm_flags))) in vma_wants_writenotify()
1698 if (IS_ENABLED(CONFIG_MEM_SOFT_DIRTY) && !(vm_flags & VM_SOFTDIRTY)) in vma_wants_writenotify()
1702 if (vm_flags & VM_PFNMAP) in vma_wants_writenotify()
1714 static inline int accountable_mapping(struct file *file, vm_flags_t vm_flags) in accountable_mapping() argument
1723 return (vm_flags & (VM_NORESERVE | VM_SHARED | VM_WRITE)) == VM_WRITE; in accountable_mapping()
1727 unsigned long len, vm_flags_t vm_flags, unsigned long pgoff, in mmap_region() argument
1737 if (!may_expand_vm(mm, vm_flags, len >> PAGE_SHIFT)) { in mmap_region()
1746 if (!may_expand_vm(mm, vm_flags, in mmap_region()
1757 if (accountable_mapping(file, vm_flags)) { in mmap_region()
1761 vm_flags |= VM_ACCOUNT; in mmap_region()
1767 vma = vma_merge(mm, prev, addr, addr + len, vm_flags, in mmap_region()
1785 vma->vm_flags = vm_flags; in mmap_region()
1786 vma->vm_page_prot = vm_get_page_prot(vm_flags); in mmap_region()
1790 if (vm_flags & VM_DENYWRITE) { in mmap_region()
1795 if (vm_flags & VM_SHARED) { in mmap_region()
1825 if (unlikely(vm_flags != vma->vm_flags && prev)) { in mmap_region()
1826 merge = vma_merge(mm, prev, vma->vm_start, vma->vm_end, vma->vm_flags, in mmap_region()
1837 vm_flags = vma->vm_flags; in mmap_region()
1842 vm_flags = vma->vm_flags; in mmap_region()
1843 } else if (vm_flags & VM_SHARED) { in mmap_region()
1852 if (!arch_validate_flags(vma->vm_flags)) { in mmap_region()
1864 if (vm_flags & VM_SHARED) in mmap_region()
1866 if (vm_flags & VM_DENYWRITE) in mmap_region()
1873 vm_stat_account(mm, vm_flags, len >> PAGE_SHIFT); in mmap_region()
1874 if (vm_flags & VM_LOCKED) { in mmap_region()
1875 if ((vm_flags & VM_SPECIAL) || vma_is_dax(vma) || in mmap_region()
1878 vma->vm_flags &= VM_LOCKED_CLEAR_MASK; in mmap_region()
1893 vma->vm_flags |= VM_SOFTDIRTY; in mmap_region()
1906 if (vm_flags & VM_SHARED) in mmap_region()
1909 if (vm_flags & VM_DENYWRITE) in mmap_region()
2365 if (!may_expand_vm(mm, vma->vm_flags, grow)) in acct_stack_growth()
2373 if (vma->vm_flags & VM_LOCKED) { in acct_stack_growth()
2384 new_start = (vma->vm_flags & VM_GROWSUP) ? vma->vm_start : in acct_stack_growth()
2411 if (!(vma->vm_flags & VM_GROWSUP)) in expand_upwards()
2429 if (!(next->vm_flags & VM_GROWSUP)) in expand_upwards()
2468 if (vma->vm_flags & VM_LOCKED) in expand_upwards()
2470 vm_stat_account(mm, vma->vm_flags, grow); in expand_upwards()
2485 khugepaged_enter_vma_merge(vma, vma->vm_flags); in expand_upwards()
2508 if (prev && !(prev->vm_flags & VM_GROWSDOWN) && in expand_downwards()
2548 if (vma->vm_flags & VM_LOCKED) in expand_downwards()
2550 vm_stat_account(mm, vma->vm_flags, grow); in expand_downwards()
2563 khugepaged_enter_vma_merge(vma, vma->vm_flags); in expand_downwards()
2602 if (prev->vm_flags & VM_LOCKED) in find_extend_vma()
2624 if (!(vma->vm_flags & VM_GROWSDOWN)) in find_extend_vma()
2629 if (vma->vm_flags & VM_LOCKED) in find_extend_vma()
2652 if (vma->vm_flags & VM_ACCOUNT) in remove_vma_list()
2654 vm_stat_account(mm, vma->vm_flags, -nrpages); in remove_vma_list()
2717 if (vma && (vma->vm_flags & VM_GROWSDOWN)) in detach_vmas_to_be_unmapped()
2719 if (prev && (prev->vm_flags & VM_GROWSUP)) in detach_vmas_to_be_unmapped()
2892 if (tmp->vm_flags & VM_LOCKED) { in __do_munmap()
2994 if (!vma || !(vma->vm_flags & VM_SHARED)) in SYSCALL_DEFINE5()
3011 if (next->vm_flags != vma->vm_flags) in SYSCALL_DEFINE5()
3022 prot |= vma->vm_flags & VM_READ ? PROT_READ : 0; in SYSCALL_DEFINE5()
3023 prot |= vma->vm_flags & VM_WRITE ? PROT_WRITE : 0; in SYSCALL_DEFINE5()
3024 prot |= vma->vm_flags & VM_EXEC ? PROT_EXEC : 0; in SYSCALL_DEFINE5()
3028 if (vma->vm_flags & VM_LOCKED) { in SYSCALL_DEFINE5()
3120 vma->vm_flags = flags; in do_brk_flags()
3129 vma->vm_flags |= VM_SOFTDIRTY; in do_brk_flags()
3203 if (vma->vm_flags & VM_LOCKED) in exit_mmap()
3229 if (vma->vm_flags & VM_ACCOUNT) in exit_mmap()
3249 if ((vma->vm_flags & VM_ACCOUNT) && in insert_vm_struct()
3300 new_vma = vma_merge(mm, prev, addr, addr + len, vma->vm_flags, in copy_vma()
3468 unsigned long vm_flags, void *priv, in __install_special_mapping() argument
3481 vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND | VM_SOFTDIRTY; in __install_special_mapping()
3482 vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); in __install_special_mapping()
3491 vm_stat_account(mm, vma->vm_flags, len >> PAGE_SHIFT); in __install_special_mapping()
3522 unsigned long vm_flags, const struct vm_special_mapping *spec) in _install_special_mapping() argument
3524 return __install_special_mapping(mm, addr, len, vm_flags, (void *)spec, in _install_special_mapping()
3530 unsigned long vm_flags, struct page **pages) in install_special_mapping() argument
3533 mm, addr, len, vm_flags, (void *)pages, in install_special_mapping()