linux-master/mm/nommu.c

48 unsigned long max_mapnr;
50 unsigned long highest_memmap_pfn;
101 		vma = find_vma(current->mm, (unsigned long)objp);
119 void *__vmalloc_noprof(unsigned long size, gfp_t gfp_mask)
129 void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align,
130 		unsigned long start, unsigned long end, gfp_t gfp_mask,
131 		pgprot_t prot, unsigned long vm_flags, int node,
137 void *__vmalloc_node_noprof(unsigned long size, unsigned long align, gfp_t gfp_mask,
143 static void *__vmalloc_user_flags(unsigned long size, gfp_t flags)
152 		vma = find_vma(current->mm, (unsigned long)ret);
161 void *vmalloc_user_noprof(unsigned long size)
173 unsigned long vmalloc_to_pfn(const void *addr)
179 long vread_iter(struct iov_iter *iter, const char *addr, size_t count)
182 	if ((unsigned long) addr + count < count)
183 		count = -(unsigned long) addr;
199 void *vmalloc_noprof(unsigned long size)
205 void *vmalloc_huge_noprof(unsigned long size, gfp_t gfp_mask) __weak __alias(__vmalloc_noprof);
219 void *vzalloc_noprof(unsigned long size)
236 void *vmalloc_node_noprof(unsigned long size, int node)
254 void *vzalloc_node_noprof(unsigned long size, int node)
267 void *vmalloc_32_noprof(unsigned long size)
283 void *vmalloc_32_user_noprof(unsigned long size)
293 void *vmap(struct page **pages, unsigned int count, unsigned long flags, pgprot_t prot)
330 int vm_insert_page(struct vm_area_struct *vma, unsigned long addr,
337 int vm_insert_pages(struct vm_area_struct *vma, unsigned long addr,
338 			struct page **pages, unsigned long *num)
345 			unsigned long num)
352 				unsigned long num)
365 SYSCALL_DEFINE1(brk, unsigned long, brk)
483 static void free_page_series(unsigned long from, unsigned long to)
596 					     unsigned long start_addr,
597 					     unsigned long end_addr)
599 	unsigned long index = start_addr;
610 struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
623 			unsigned long addr, struct pt_regs *regs)
638 int expand_stack_locked(struct vm_area_struct *vma, unsigned long addr)
643 struct vm_area_struct *expand_stack(struct mm_struct *mm, unsigned long addr)
654 					     unsigned long addr,
655 					     unsigned long len)
658 	unsigned long end = addr + len;
677 				 unsigned long addr,
678 				 unsigned long len,
679 				 unsigned long prot,
680 				 unsigned long flags,
681 				 unsigned long pgoff,
682 				 unsigned long *_capabilities)
684 	unsigned long capabilities, rlen;
834 static unsigned long determine_vm_flags(struct file *file,
835 					unsigned long prot,
836 					unsigned long flags,
837 					unsigned long capabilities)
839 	unsigned long vm_flags;
902 			   unsigned long len,
903 			   unsigned long capabilities)
905 	unsigned long total, point;
953 	region->vm_start = (unsigned long) base;
998 unsigned long do_mmap(struct file *file,
999 			unsigned long addr,
1000 			unsigned long len,
1001 			unsigned long prot,
1002 			unsigned long flags,
1004 			unsigned long pgoff,
1005 			unsigned long *populate,
1011 	unsigned long capabilities, result;
1066 		unsigned long pglen, rpglen, pgend, rpgend, start;
1235 unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
1236 			      unsigned long prot, unsigned long flags,
1237 			      unsigned long fd, unsigned long pgoff)
1240 	unsigned long retval = -EBADF;
1257 SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
1258 		unsigned long, prot, unsigned long, flags,
1259 		unsigned long, fd, unsigned long, pgoff)
1266 	unsigned long addr;
1267 	unsigned long len;
1268 	unsigned long prot;
1269 	unsigned long flags;
1270 	unsigned long fd;
1271 	unsigned long offset;
1293 		     unsigned long addr, int new_below)
1297 	unsigned long npages;
1372 		      unsigned long from, unsigned long to)
1412 int do_munmap(struct mm_struct *mm, unsigned long start, size_t len, struct list_head *uf)
1416 	unsigned long end;
1474 int vm_munmap(unsigned long addr, size_t len)
1486 SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len)
1523  * as long as it stays within the region allocated by do_mmap_private() and the
1528 static unsigned long do_mremap(unsigned long addr,
1529 			unsigned long old_len, unsigned long new_len,
1530 			unsigned long flags, unsigned long new_addr)
1538 		return (unsigned long) -EINVAL;
1544 		return (unsigned long) -EINVAL;
1548 		return (unsigned long) -EINVAL;
1551 		return (unsigned long) -EFAULT;
1554 		return (unsigned long) -EPERM;
1557 		return (unsigned long) -ENOMEM;
1564 SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
1565 		unsigned long, new_len, unsigned long, flags,
1566 		unsigned long, new_addr)
1568 	unsigned long ret;
1576 struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
1582 int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr,
1583 		unsigned long pfn, unsigned long size, pgprot_t prot)
1593 int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len)
1595 	unsigned long pfn = start >> PAGE_SHIFT;
1596 	unsigned long vm_len = vma->vm_end - vma->vm_start;
1604 			unsigned long pgoff)
1611 	vma->vm_start = (unsigned long)(addr + (pgoff << PAGE_SHIFT));
1633 static int __access_remote_vm(struct mm_struct *mm, unsigned long addr,
1677 int access_remote_vm(struct mm_struct *mm, unsigned long addr,
1687 int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len,
1780 	unsigned long free_kbytes;
1801 	unsigned long free_kbytes;