函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\page-flags.h Create Date:2022-07-27 06:40:12
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：PageIsolated

函数原型：static inline __attribute__((__always_inline__)) int PageIsolated(struct page *page)

返回类型：int

参数：

类型参数名称
struct page *page
785  返回:st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from
调用者
名称描述
isolate_migratepages_blocksolate_migratepages_block() - isolate all migrate-able pages within* a single pageblock*@cc: Compaction control structure.*@low_pfn: The first PFN to isolate*@end_pfn: The one-past-the-last PFN to isolate, within same pageblock
isolate_movable_page
putback_movable_pageIt should be called on page which is PG_movable
putback_movable_pagesPut previously isolated pages back onto the appropriate lists* from where they were once taken off for compaction/migration.* This function shall be used whenever the isolated pageset has been* built from lru, balloon, hugetlbfs page
move_to_new_pageMove a page to a newly allocated page* The page is locked and all ptes have been successfully removed.* The new page will have replaced the old page if this function* is successful.* Return value:* < 0 - error code* MIGRATEPAGE_SUCCESS - success
z3fold_compact_pageHas to be called with lock held
do_compact_page
z3fold_freez3fold_free() - frees the allocation associated with the given handle*@pool: pool in which the allocation resided*@handle: handle associated with the allocation returned by z3fold_alloc()* In the case that the z3fold page in which the allocation resides
z3fold_reclaim_pagez3fold_reclaim_page() - evicts allocations from a pool page and frees it*@pool: pool from which a page will attempt to be evicted*@retries: number of pages on the LRU list for which eviction will* be attempted before failing* z3fold reclaim is different
z3fold_page_isolate
z3fold_page_migrate
balloon_page_list_dequeuealloon_page_list_dequeue() - removes pages from balloon's page list and* returns a list of the pages.*@b_dev_info: balloon device decriptor where we will grab a page from.*@pages: pointer to the list of pages that would be returned to the caller.