函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\hugetlb.c Create Date:2022-07-27 16:57:40
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：alloc_migrate_huge_page

函数原型：struct page *alloc_migrate_huge_page(struct hstate *h, gfp_t gfp_mask, int nid, nodemask_t *nmask)

返回类型：struct page

参数：

类型参数名称
struct hstate *h
gfp_tgfp_mask
intnid
nodemask_t *nmask
1598  如果hstate_is_gigantic(h)则返回:NULL
1601  page等于Common helper to allocate a fresh hugetlb page. All specific allocators* should use this function to get new hugetlb pages
1602  如果非page则返回:NULL
1609  SetPageHugeTemporary(page)
1611  返回:page
调用者
名称描述
alloc_huge_page_nodepage migration callback function
alloc_huge_page_nodemaskpage migration callback function
new_non_cma_page