函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_owner.c Create Date:2022-07-27 17:58:22
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:__set_page_owner

函数原型:noinline void __set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask)

返回类型:void

参数:

类型参数名称
struct page *page
unsigned intorder
gfp_tgfp_mask
185  page_ext等于lookup_page_ext(page)
188  如果此条件成立可能性小(为编译器优化)(!page_ext)则返回
191  handle等于save_stack(gfp_mask)
192  __set_page_owner_handle(page, page_ext, handle, order, gfp_mask)