diff options
Diffstat (limited to 'Documentation/cachetlb.txt')
| -rw-r--r-- | Documentation/cachetlb.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt index 73e794f0ff09..debf6813934a 100644 --- a/Documentation/cachetlb.txt +++ b/Documentation/cachetlb.txt | |||
| @@ -373,14 +373,15 @@ maps this page at its virtual address. | |||
| 373 | likely that you will need to flush the instruction cache | 373 | likely that you will need to flush the instruction cache |
| 374 | for copy_to_user_page(). | 374 | for copy_to_user_page(). |
| 375 | 375 | ||
| 376 | void flush_anon_page(struct page *page, unsigned long vmaddr) | 376 | void flush_anon_page(struct vm_area_struct *vma, struct page *page, |
| 377 | unsigned long vmaddr) | ||
| 377 | When the kernel needs to access the contents of an anonymous | 378 | When the kernel needs to access the contents of an anonymous |
| 378 | page, it calls this function (currently only | 379 | page, it calls this function (currently only |
| 379 | get_user_pages()). Note: flush_dcache_page() deliberately | 380 | get_user_pages()). Note: flush_dcache_page() deliberately |
| 380 | doesn't work for an anonymous page. The default | 381 | doesn't work for an anonymous page. The default |
| 381 | implementation is a nop (and should remain so for all coherent | 382 | implementation is a nop (and should remain so for all coherent |
| 382 | architectures). For incoherent architectures, it should flush | 383 | architectures). For incoherent architectures, it should flush |
| 383 | the cache of the page at vmaddr in the current user process. | 384 | the cache of the page at vmaddr. |
| 384 | 385 | ||
| 385 | void flush_kernel_dcache_page(struct page *page) | 386 | void flush_kernel_dcache_page(struct page *page) |
| 386 | When the kernel needs to modify a user page is has obtained | 387 | When the kernel needs to modify a user page is has obtained |
