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本文整理汇总了C++中ClearPageSwapCache函数的典型用法代码示例。如果您正苦于以下问题：C++ ClearPageSwapCache函数的具体用法？C++ ClearPageSwapCache怎么用？C++ ClearPageSwapCache使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。 在下文中一共展示了ClearPageSwapCache函数的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。 示例1: add_to_swap_cache/* * add_to_swap_cache resembles add_to_page_cache_locked on swapper_space, * but sets SwapCache flag and private instead of mapping and index. */int add_to_swap_cache(struct page *page, swp_entry_t entry, gfp_t gfp_mask){ int error; VM_BUG_ON(!PageLocked(page)); VM_BUG_ON(PageSwapCache(page)); VM_BUG_ON(!PageSwapBacked(page)); error = radix_tree_preload(gfp_mask); if (!error) { page_cache_get(page); SetPageSwapCache(page); set_page_private(page, entry.val); spin_lock_irq(&swapper_space.tree_lock); error = radix_tree_insert(&swapper_space.page_tree, entry.val, page); if (likely(!error)) { total_swapcache_pages++; __inc_zone_page_state(page, NR_FILE_PAGES); INC_CACHE_INFO(add_total); } spin_unlock_irq(&swapper_space.tree_lock); radix_tree_preload_end(); if (unlikely(error)) { set_page_private(page, 0UL); ClearPageSwapCache(page); page_cache_release(page); } } return error;}
开发者ID:feravolt，项目名称:FeraLab_GB_Firmware--archive，代码行数:37，
示例2: __add_to_swap_cache/* * __add_to_swap_cache resembles add_to_page_cache_locked on swapper_space, * but sets SwapCache flag and private instead of mapping and index. */static int __add_to_swap_cache(struct page *page, swp_entry_t entry){ int error; VM_BUG_ON(!PageLocked(page)); VM_BUG_ON(PageSwapCache(page)); VM_BUG_ON(!PageSwapBacked(page)); page_cache_get(page); SetPageSwapCache(page); set_page_private(page, entry.val); spin_lock_irq(&swapper_space.tree_lock); error = radix_tree_insert(&swapper_space.page_tree, entry.val, page); if (likely(!error)) { total_swapcache_pages++; __inc_zone_page_state(page, NR_FILE_PAGES); INC_CACHE_INFO(add_total); } spin_unlock_irq(&swapper_space.tree_lock); if (unlikely(error)) { /* * Only the context which have set SWAP_HAS_CACHE flag * would call add_to_swap_cache(). * So add_to_swap_cache() doesn't returns -EEXIST. */ VM_BUG_ON(error == -EEXIST); set_page_private(page, 0UL); ClearPageSwapCache(page); page_cache_release(page); } return error;}
开发者ID:yl849646685，项目名称:linux-2.6.32，代码行数:39，
示例3: __delete_from_swap_cache/** * __delete_from_swap_cache:page从交换区高速缓存中删去 */void __delete_from_swap_cache(struct page *page){ VM_BUG_ON(!PageLocked(page)); VM_BUG_ON(!PageSwapCache(page)); VM_BUG_ON(PageWriteback(page)); radix_tree_delete(&swapper_space.page_tree, page_private(page)); set_page_private(page, 0); ClearPageSwapCache(page); total_swapcache_pages--; __dec_zone_page_state(page, NR_FILE_PAGES); INC_CACHE_INFO(del_total);}
开发者ID:yl849646685，项目名称:linux-2.6.32，代码行数:16，
示例4: __delete_from_swap_cache/* * This must be called only on pages that have * been verified to be in the swap cache. */void __delete_from_swap_cache(struct page *page){ BUG_ON(!PageLocked(page)); BUG_ON(!PageSwapCache(page)); BUG_ON(PageWriteback(page)); BUG_ON(PagePrivate(page)); radix_tree_delete(&swapper_space.page_tree, page_private(page)); set_page_private(page, 0); ClearPageSwapCache(page); total_swapcache_pages--; pagecache_acct(-1); INC_CACHE_INFO(del_total);}
开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-e-f_fw-20-10-7-5，代码行数:18，
示例5: __add_to_swap_cache/* * __add_to_swap_cache resembles add_to_page_cache_locked on swapper_space, * but sets SwapCache flag and private instead of mapping and index. */int __add_to_swap_cache(struct page *page, swp_entry_t entry){ int error, i, nr = hpage_nr_pages(page); struct address_space *address_space; pgoff_t idx = swp_offset(entry); VM_BUG_ON_PAGE(!PageLocked(page), page); VM_BUG_ON_PAGE(PageSwapCache(page), page); VM_BUG_ON_PAGE(!PageSwapBacked(page), page); page_ref_add(page, nr); SetPageSwapCache(page); address_space = swap_address_space(entry); spin_lock_irq(&address_space->tree_lock); for (i = 0; i < nr; i++) { set_page_private(page + i, entry.val + i); error = radix_tree_insert(&address_space->page_tree, idx + i, page + i); if (unlikely(error)) break; } if (likely(!error)) { address_space->nrpages += nr; __mod_node_page_state(page_pgdat(page), NR_FILE_PAGES, nr); ADD_CACHE_INFO(add_total, nr); } else { /* * Only the context which have set SWAP_HAS_CACHE flag * would call add_to_swap_cache(). * So add_to_swap_cache() doesn't returns -EEXIST. */ VM_BUG_ON(error == -EEXIST); set_page_private(page + i, 0UL); while (i--) { radix_tree_delete(&address_space->page_tree, idx + i); set_page_private(page + i, 0UL); } ClearPageSwapCache(page); page_ref_sub(page, nr); } spin_unlock_irq(&address_space->tree_lock); return error;}
开发者ID:mdamt，项目名称:linux，代码行数:49，
示例6: __delete_from_swap_cache/* * This must be called only on pages that have * been verified to be in the swap cache. */void __delete_from_swap_cache(struct page *page){ swp_entry_t entry; struct address_space *address_space; VM_BUG_ON_PAGE(!PageLocked(page), page); VM_BUG_ON_PAGE(!PageSwapCache(page), page); VM_BUG_ON_PAGE(PageWriteback(page), page); entry.val = page_private(page); address_space = swap_address_space(entry); radix_tree_delete(&address_space->page_tree, page_private(page)); set_page_private(page, 0); ClearPageSwapCache(page); address_space->nrpages--; __dec_zone_page_state(page, NR_FILE_PAGES); INC_CACHE_INFO(del_total);}
开发者ID:oldzhu，项目名称:linux，代码行数:22，
示例7: __add_to_swap_cache/* * __add_to_swap_cache resembles add_to_page_cache_locked on swapper_space, * but sets SwapCache flag and private instead of mapping and index. */int __add_to_swap_cache(struct page *page, swp_entry_t entry){ int error; struct address_space *address_space; VM_BUG_ON_PAGE(!PageLocked(page), page); VM_BUG_ON_PAGE(PageSwapCache(page), page); VM_BUG_ON_PAGE(!PageSwapBacked(page), page); get_page(page); SetPageSwapCache(page); set_page_private(page, entry.val); address_space = swap_address_space(entry); spin_lock_irq(&address_space->tree_lock); error = radix_tree_insert(&address_space->page_tree, entry.val, page); if (likely(!error)) { address_space->nrpages++; __inc_zone_page_state(page, NR_FILE_PAGES); INC_CACHE_INFO(add_total); } spin_unlock_irq(&address_space->tree_lock); if (unlikely(error)) { /* * Only the context which have set SWAP_HAS_CACHE flag * would call add_to_swap_cache(). * So add_to_swap_cache() doesn't returns -EEXIST. */ VM_BUG_ON(error == -EEXIST); set_page_private(page, 0UL); ClearPageSwapCache(page); put_page(page); } return error;}
开发者ID:oldzhu，项目名称:linux，代码行数:42，
示例8: __delete_from_swap_cache/* * This must be called only on pages that have * been verified to be in the swap cache. */void __delete_from_swap_cache(struct page *page){ struct address_space *address_space; int i, nr = hpage_nr_pages(page); swp_entry_t entry; pgoff_t idx; VM_BUG_ON_PAGE(!PageLocked(page), page); VM_BUG_ON_PAGE(!PageSwapCache(page), page); VM_BUG_ON_PAGE(PageWriteback(page), page); entry.val = page_private(page); address_space = swap_address_space(entry); idx = swp_offset(entry); for (i = 0; i < nr; i++) { radix_tree_delete(&address_space->page_tree, idx + i); set_page_private(page + i, 0); } ClearPageSwapCache(page); address_space->nrpages -= nr; __mod_node_page_state(page_pgdat(page), NR_FILE_PAGES, -nr); ADD_CACHE_INFO(del_total, nr);}
开发者ID:mdamt，项目名称:linux，代码行数:27，
注：本文中的ClearPageSwapCache函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。
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