Function report |
Source Code:mm\filemap.c |
Create Date:2022-07-28 14:00:42 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:unaccount_page_cache_page
Proto:static void unaccount_page_cache_page(struct address_space *mapping, struct page *page)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct address_space * | mapping | |
struct page * | page |
166 | If PageUptodate(page) && PageMappedToDisk(page) Then cleancache_put_page(page) |
168 | Else cleancache_invalidate_page(mapping, page) |
171 | VM_BUG_ON_PAGE(PageTail(page), page) |
172 | VM_BUG_ON_PAGE(page_mapped(page), page) |
176 | pr_alert("BUG: Bad page cache in process %s pfn:%05lx\n", comm, page_to_pfn(page)) |
179 | dump_stack() |
182 | mapcount = page_mapcount(page) |
183 | If mapping_exiting(mapping) && page_count(page) >= mapcount + 2 Then |
200 | nr = hpage_nr_pages(page) |
202 | __mod_node_page_state(page_pgdat(page), NR_FILE_PAGES, - nr) |
203 | If PageSwapBacked(page) Then |
204 | __mod_node_page_state(page_pgdat(page), NR_SHMEM, - nr) |
222 | If WARN_ON_ONCE(PageDirty(page)) Then account_page_cleaned(page, mapping, inode_to_wb(host)) |
Name | Describe |
---|---|
__delete_from_page_cache | Delete a page from the page cache and free it. Caller has to make* sure the page is locked and that nobody else uses it - or that usage* is safe. The caller must hold the i_pages lock. |
delete_from_page_cache_batch |
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