Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_owner.c Create Date:2022-07-28 16:23:36
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:__copy_page_owner

Proto:void __copy_page_owner(struct page *oldpage, struct page *newpage)

Type:void

Parameter:

TypeParameterName
struct page *oldpage
struct page *newpage
225  old_ext = lookup_page_ext(oldpage)
226  new_ext = lookup_page_ext(newpage)
229  If Value for the false possibility is greater at compile time(!old_ext || !new_ext) Then Return
232  old_page_owner = get_page_owner(old_ext)
233  new_page_owner = get_page_owner(new_ext)
234  order = order
235  gfp_mask = gfp_mask
236  last_migrate_reason = last_migrate_reason
238  handle = handle
249  __set_bit - Set a bit in memory*@nr: the bit to set*@addr: the address to start counting from* Unlike set_bit(), this function is non-atomic. If it is called on the same* region of memory concurrently, the effect may be that only one operation* succeeds.
250  __set_bit - Set a bit in memory*@nr: the bit to set*@addr: the address to start counting from* Unlike set_bit(), this function is non-atomic. If it is called on the same* region of memory concurrently, the effect may be that only one operation* succeeds.