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-rw-r--r--mm/vmalloc.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 9aad8b0cc6ee..659ec634856a 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -241,7 +241,6 @@ struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
241 241
242/** 242/**
243 * get_vm_area - reserve a contingous kernel virtual area 243 * get_vm_area - reserve a contingous kernel virtual area
244 *
245 * @size: size of the area 244 * @size: size of the area
246 * @flags: %VM_IOREMAP for I/O mappings or VM_ALLOC 245 * @flags: %VM_IOREMAP for I/O mappings or VM_ALLOC
247 * 246 *
@@ -296,7 +295,6 @@ found:
296 295
297/** 296/**
298 * remove_vm_area - find and remove a contingous kernel virtual area 297 * remove_vm_area - find and remove a contingous kernel virtual area
299 *
300 * @addr: base address 298 * @addr: base address
301 * 299 *
302 * Search for the kernel VM area starting at @addr, and remove it. 300 * Search for the kernel VM area starting at @addr, and remove it.
@@ -355,7 +353,6 @@ void __vunmap(void *addr, int deallocate_pages)
355 353
356/** 354/**
357 * vfree - release memory allocated by vmalloc() 355 * vfree - release memory allocated by vmalloc()
358 *
359 * @addr: memory base address 356 * @addr: memory base address
360 * 357 *
361 * Free the virtually contiguous memory area starting at @addr, as 358 * Free the virtually contiguous memory area starting at @addr, as
@@ -373,7 +370,6 @@ EXPORT_SYMBOL(vfree);
373 370
374/** 371/**
375 * vunmap - release virtual mapping obtained by vmap() 372 * vunmap - release virtual mapping obtained by vmap()
376 *
377 * @addr: memory base address 373 * @addr: memory base address
378 * 374 *
379 * Free the virtually contiguous memory area starting at @addr, 375 * Free the virtually contiguous memory area starting at @addr,
@@ -390,7 +386,6 @@ EXPORT_SYMBOL(vunmap);
390 386
391/** 387/**
392 * vmap - map an array of pages into virtually contiguous space 388 * vmap - map an array of pages into virtually contiguous space
393 *
394 * @pages: array of page pointers 389 * @pages: array of page pointers
395 * @count: number of pages to map 390 * @count: number of pages to map
396 * @flags: vm_area->flags 391 * @flags: vm_area->flags
@@ -471,7 +466,6 @@ void *__vmalloc_area(struct vm_struct *area, gfp_t gfp_mask, pgprot_t prot)
471 466
472/** 467/**
473 * __vmalloc_node - allocate virtually contiguous memory 468 * __vmalloc_node - allocate virtually contiguous memory
474 *
475 * @size: allocation size 469 * @size: allocation size
476 * @gfp_mask: flags for the page level allocator 470 * @gfp_mask: flags for the page level allocator
477 * @prot: protection mask for the allocated pages 471 * @prot: protection mask for the allocated pages
@@ -505,9 +499,7 @@ EXPORT_SYMBOL(__vmalloc);
505 499
506/** 500/**
507 * vmalloc - allocate virtually contiguous memory 501 * vmalloc - allocate virtually contiguous memory
508 *
509 * @size: allocation size 502 * @size: allocation size
510 *
511 * Allocate enough pages to cover @size from the page level 503 * Allocate enough pages to cover @size from the page level
512 * allocator and map them into contiguous kernel virtual space. 504 * allocator and map them into contiguous kernel virtual space.
513 * 505 *
@@ -521,11 +513,11 @@ void *vmalloc(unsigned long size)
521EXPORT_SYMBOL(vmalloc); 513EXPORT_SYMBOL(vmalloc);
522 514
523/** 515/**
524 * vmalloc_user - allocate virtually contiguous memory which has 516 * vmalloc_user - allocate zeroed virtually contiguous memory for userspace
525 * been zeroed so it can be mapped to userspace without 517 * @size: allocation size
526 * leaking data.
527 * 518 *
528 * @size: allocation size 519 * The resulting memory area is zeroed so it can be mapped to userspace
520 * without leaking data.
529 */ 521 */
530void *vmalloc_user(unsigned long size) 522void *vmalloc_user(unsigned long size)
531{ 523{
@@ -544,7 +536,6 @@ EXPORT_SYMBOL(vmalloc_user);
544 536
545/** 537/**
546 * vmalloc_node - allocate memory on a specific node 538 * vmalloc_node - allocate memory on a specific node
547 *
548 * @size: allocation size 539 * @size: allocation size
549 * @node: numa node 540 * @node: numa node
550 * 541 *
@@ -566,7 +557,6 @@ EXPORT_SYMBOL(vmalloc_node);
566 557
567/** 558/**
568 * vmalloc_exec - allocate virtually contiguous, executable memory 559 * vmalloc_exec - allocate virtually contiguous, executable memory
569 *
570 * @size: allocation size 560 * @size: allocation size
571 * 561 *
572 * Kernel-internal function to allocate enough pages to cover @size 562 * Kernel-internal function to allocate enough pages to cover @size
@@ -584,7 +574,6 @@ void *vmalloc_exec(unsigned long size)
584 574
585/** 575/**
586 * vmalloc_32 - allocate virtually contiguous memory (32bit addressable) 576 * vmalloc_32 - allocate virtually contiguous memory (32bit addressable)
587 *
588 * @size: allocation size 577 * @size: allocation size
589 * 578 *
590 * Allocate enough 32bit PA addressable pages to cover @size from the 579 * Allocate enough 32bit PA addressable pages to cover @size from the
@@ -597,11 +586,11 @@ void *vmalloc_32(unsigned long size)
597EXPORT_SYMBOL(vmalloc_32); 586EXPORT_SYMBOL(vmalloc_32);
598 587
599/** 588/**
600 * vmalloc_32_user - allocate virtually contiguous memory (32bit 589 * vmalloc_32_user - allocate zeroed virtually contiguous 32bit memory
601 * addressable) which is zeroed so it can be
602 * mapped to userspace without leaking data.
603 *
604 * @size: allocation size 590 * @size: allocation size
591 *
592 * The resulting memory area is 32bit addressable and zeroed so it can be
593 * mapped to userspace without leaking data.
605 */ 594 */
606void *vmalloc_32_user(unsigned long size) 595void *vmalloc_32_user(unsigned long size)
607{ 596{
@@ -695,7 +684,6 @@ finished:
695 684
696/** 685/**
697 * remap_vmalloc_range - map vmalloc pages to userspace 686 * remap_vmalloc_range - map vmalloc pages to userspace
698 *
699 * @vma: vma to cover (map full range of vma) 687 * @vma: vma to cover (map full range of vma)
700 * @addr: vmalloc memory 688 * @addr: vmalloc memory
701 * @pgoff: number of pages into addr before first page to map 689 * @pgoff: number of pages into addr before first page to map