Function report | 
Source Code:mm\filemap.c | 
Create Date:2022-07-28 14:03:34 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:ry_to_release_page() - release old fs-specific metadata on a page*@page: the page which the kernel is trying to free*@gfp_mask: memory allocation flags (and I/O mode)* The address_space is to try to release any data against the page
Proto:int try_to_release_page(struct page *page, gfp_t gfp_mask)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct page * | page | |
| gfp_t | gfp_mask | 
| 3500 | BUG_ON(!PageLocked(page)) | 
| 3501 | If Only test-and-set exist for PG_writeback. The unconditional operators are* risky: they bypass page accounting. Then Return 0 | 
| 3504 | If mapping && releasepage Then Return releasepage(page, gfp_mask) | 
| 3506 | Return try_to_free_buffers(page) | 
| Name | Describe | 
|---|---|
| invalidate_complete_page | This is for invalidate_mapping_pages(). That function can be called at* any time, and is not supposed to throw away dirty pages. But pages can* be marked dirty at any time too, so use remove_mapping which safely* discards clean, unused pages. | 
| invalidate_complete_page2 | This is like invalidate_complete_page(), except it ignores the page's* refcount | 
| shrink_page_list | shrink_page_list() returns the number of reclaimed pages | 
| shrink_active_list | |
| fallback_migrate_page | Default handling if a filesystem does not provide a migration function. | 
| truncate_error_page | |
| block_invalidatepage | lock_invalidatepage - invalidate part or all of a buffer-backed page*@page: the page which is affected*@offset: start of the range to invalidate*@length: length of the range to invalidate* block_invalidatepage() is called when all or part of the page has | 
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