59 #define arch_mmap_check(addr, len, flags)	(0)  argument
185 static int do_brk_flags(unsigned long addr, unsigned long request, unsigned long flags,
1348 				     unsigned long flags,  in mlock_future_check()  argument
1354 	if (flags & VM_LOCKED) {  in mlock_future_check()
1402 			unsigned long flags, vm_flags_t vm_flags,  in do_mmap()  argument
1425 	if (flags & MAP_FIXED_NOREPLACE)  in do_mmap()
1426 		flags |= MAP_FIXED;  in do_mmap()
1428 	if (!(flags & MAP_FIXED))  in do_mmap()
1447 	addr = get_unmapped_area(file, addr, len, pgoff, flags);  in do_mmap()
1451 	if (flags & MAP_FIXED_NOREPLACE) {  in do_mmap()
1468 	vm_flags |= calc_vm_prot_bits(prot, pkey) | calc_vm_flag_bits(flags) |  in do_mmap()
1471 	if (flags & MAP_LOCKED)  in do_mmap()
1487 		switch (flags & MAP_TYPE) {  in do_mmap()
1496 			flags &= LEGACY_MAP_MASK;  in do_mmap()
1499 			if (flags & ~flags_mask)  in do_mmap()
1545 		switch (flags & MAP_TYPE) {  in do_mmap()
1570 	if (flags & MAP_NORESERVE) {  in do_mmap()
1583 	     (flags & (MAP_POPULATE | MAP_NONBLOCK)) == MAP_POPULATE))  in do_mmap()
1589 			      unsigned long prot, unsigned long flags,  in ksys_mmap_pgoff()  argument
1597 	if (!(flags & MAP_ANONYMOUS)) {  in ksys_mmap_pgoff()
1598 		audit_mmap_fd(fd, flags);  in ksys_mmap_pgoff()
1605 		if (unlikely(flags & MAP_HUGETLB && !is_file_hugepages(file)))  in ksys_mmap_pgoff()
1607 	} else if (flags & MAP_HUGETLB) {  in ksys_mmap_pgoff()
1611 		hs = hstate_sizelog((flags >> MAP_HUGE_SHIFT) & MAP_HUGE_MASK);  in ksys_mmap_pgoff()
1625 				(flags >> MAP_HUGE_SHIFT) & MAP_HUGE_MASK);  in ksys_mmap_pgoff()
1630 	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);  in ksys_mmap_pgoff()
1632 	retval = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);  in ksys_mmap_pgoff()
1640 		unsigned long, prot, unsigned long, flags,  in SYSCALL_DEFINE6()  argument
1643 	return ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);  in SYSCALL_DEFINE6()
1651 	unsigned long flags;  member
1665 	return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,  in SYSCALL_DEFINE1()
2115 		unsigned long len, unsigned long pgoff, unsigned long flags)  in arch_get_unmapped_area()  argument
2125 	if (flags & MAP_FIXED)  in arch_get_unmapped_area()
2137 	info.flags = 0;  in arch_get_unmapped_area()
2154 			  unsigned long flags)  in arch_get_unmapped_area_topdown()  argument
2165 	if (flags & MAP_FIXED)  in arch_get_unmapped_area_topdown()
2178 	info.flags = VM_UNMAPPED_AREA_TOPDOWN;  in arch_get_unmapped_area_topdown()
2193 		info.flags = 0;  in arch_get_unmapped_area_topdown()
2205 		unsigned long pgoff, unsigned long flags)  in get_unmapped_area()  argument
2210 	unsigned long error = arch_mmap_check(addr, len, flags);  in get_unmapped_area()
2222 	} else if (flags & MAP_SHARED) {  in get_unmapped_area()
2232 	addr = get_area(file, addr, len, pgoff, flags);  in get_unmapped_area()
2905 		unsigned long, prot, unsigned long, pgoff, unsigned long, flags)  in SYSCALL_DEFINE5()  argument
2966 	flags &= MAP_NONBLOCK;  in SYSCALL_DEFINE5()
2967 	flags |= MAP_SHARED | MAP_FIXED | MAP_POPULATE;  in SYSCALL_DEFINE5()
2970 		flags |= MAP_LOCKED;  in SYSCALL_DEFINE5()
2989 			prot, flags, pgoff, &populate, NULL);  in SYSCALL_DEFINE5()
3005 static int do_brk_flags(unsigned long addr, unsigned long len, unsigned long flags, struct list_hea…  in do_brk_flags()  argument
3014 	if ((flags & (~VM_EXEC)) != 0)  in do_brk_flags()
3016 	flags |= VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;  in do_brk_flags()
3036 	if (!may_expand_vm(mm, flags, len >> PAGE_SHIFT))  in do_brk_flags()
3046 	vma = vma_merge(mm, prev, addr, addr + len, flags,  in do_brk_flags()
3064 	vma->vm_flags = flags;  in do_brk_flags()
3065 	vma->vm_page_prot = vm_get_page_prot(flags);  in do_brk_flags()
3071 	if (flags & VM_LOCKED)  in do_brk_flags()
3077 int vm_brk_flags(unsigned long addr, unsigned long request, unsigned long flags)  in vm_brk_flags()  argument
3094 	ret = do_brk_flags(addr, len, flags, &uf);  in vm_brk_flags()
3139 		set_bit(MMF_OOM_SKIP, &mm->flags);  in exit_mmap()
3300 bool may_expand_vm(struct mm_struct *mm, vm_flags_t flags, unsigned long npages)  in may_expand_vm()  argument
3305 	if (is_data_mapping(flags) &&  in may_expand_vm()
3325 void vm_stat_account(struct mm_struct *mm, vm_flags_t flags, long npages)  in vm_stat_account()  argument
3329 	if (is_exec_mapping(flags))  in vm_stat_account()
3331 	else if (is_stack_mapping(flags))  in vm_stat_account()
3333 	else if (is_data_mapping(flags))  in vm_stat_account()
3507 	if (!test_bit(AS_MM_ALL_LOCKS, &mapping->flags)) {  in vm_lock_mapping()
3517 		if (test_and_set_bit(AS_MM_ALL_LOCKS, &mapping->flags))  in vm_lock_mapping()
3624 	if (test_bit(AS_MM_ALL_LOCKS, &mapping->flags)) {  in vm_unlock_mapping()
3631 					&mapping->flags))  in vm_unlock_mapping()