1217 static int maydump(struct vm_area_struct *vma, unsigned long mm_flags)  in maydump()  argument
1222 	if (vma->vm_flags & VM_IO) {  in maydump()
1223 		kdcore("%08lx: %08lx: no (IO)", vma->vm_start, vma->vm_flags);  in maydump()
1230 	if (!(vma->vm_flags & VM_READ)) {  in maydump()
1231 		kdcore("%08lx: %08lx: no (!read)", vma->vm_start, vma->vm_flags);  in maydump()
1236 	if (vma_is_dax(vma)) {  in maydump()
1237 		if (vma->vm_flags & VM_SHARED) {  in maydump()
1239 			kdcore("%08lx: %08lx: %s (DAX shared)", vma->vm_start,  in maydump()
1240 			       vma->vm_flags, dump_ok ? "yes" : "no");  in maydump()
1243 			kdcore("%08lx: %08lx: %s (DAX private)", vma->vm_start,  in maydump()
1244 			       vma->vm_flags, dump_ok ? "yes" : "no");  in maydump()
1250 	if (vma->vm_flags & VM_SHARED) {  in maydump()
1251 		if (file_inode(vma->vm_file)->i_nlink == 0) {  in maydump()
1253 			kdcore("%08lx: %08lx: %s (share)", vma->vm_start,  in maydump()
1254 			       vma->vm_flags, dump_ok ? "yes" : "no");  in maydump()
1259 		kdcore("%08lx: %08lx: %s (share)", vma->vm_start,  in maydump()
1260 		       vma->vm_flags, dump_ok ? "yes" : "no");  in maydump()
1266 	if (!vma->anon_vma) {  in maydump()
1268 		kdcore("%08lx: %08lx: %s (!anon)", vma->vm_start,  in maydump()
1269 		       vma->vm_flags, dump_ok ? "yes" : "no");  in maydump()
1275 	kdcore("%08lx: %08lx: %s", vma->vm_start, vma->vm_flags,  in maydump()
1519 	struct vm_area_struct *vma;  in elf_fdpic_dump_segments()  local
1521 	for (vma = current->mm->mmap; vma; vma = vma->vm_next) {  in elf_fdpic_dump_segments()
1524 		if (!maydump(vma, cprm->mm_flags))  in elf_fdpic_dump_segments()
1528 		for (addr = vma->vm_start; addr < vma->vm_end;  in elf_fdpic_dump_segments()
1544 		if (!dump_emit(cprm, (void *) vma->vm_start,  in elf_fdpic_dump_segments()
1545 				vma->vm_end - vma->vm_start))  in elf_fdpic_dump_segments()
1554 	struct vm_area_struct *vma;  in elf_core_vma_data_size()  local
1557 	for (vma = current->mm->mmap; vma; vma = vma->vm_next)  in elf_core_vma_data_size()
1558 		if (maydump(vma, mm_flags))  in elf_core_vma_data_size()
1559 			size += vma->vm_end - vma->vm_start;  in elf_core_vma_data_size()
1577 	struct vm_area_struct *vma;  in elf_fdpic_core_dump()  local
1748 	for (vma = current->mm->mmap; vma; vma = vma->vm_next) {  in elf_fdpic_core_dump()
1752 		sz = vma->vm_end - vma->vm_start;  in elf_fdpic_core_dump()
1756 		phdr.p_vaddr = vma->vm_start;  in elf_fdpic_core_dump()
1758 		phdr.p_filesz = maydump(vma, cprm->mm_flags) ? sz : 0;  in elf_fdpic_core_dump()
1761 		phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;  in elf_fdpic_core_dump()
1762 		if (vma->vm_flags & VM_WRITE)  in elf_fdpic_core_dump()
1764 		if (vma->vm_flags & VM_EXEC)  in elf_fdpic_core_dump()