Function report | 
Source Code:mm\page_counter.c | 
Create Date:2022-07-28 16:07:28 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:page_counter_charge - hierarchically charge pages*@counter: counter*@nr_pages: number of pages to charge* NOTE: This does not consider any configured counter limits.
Proto:void page_counter_charge(struct page_counter *counter, unsigned long nr_pages)
Type:void
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct page_counter * | counter | |
| unsigned long | nr_pages | 
| 79 | new = atomic_long_add_return(nr_pages, & usage) | 
| Name | Describe | 
|---|---|
| try_charge | |
| mem_cgroup_migrate | mem_cgroup_migrate - charge a page's replacement*@oldpage: currently circulating page*@newpage: replacement page* Charge @newpage as a replacement page for @oldpage. @oldpage will* be uncharged upon free. | 
| mem_cgroup_charge_skmem | mem_cgroup_charge_skmem - charge socket memory*@memcg: memcg to charge*@nr_pages: number of pages to charge* Charges @nr_pages to @memcg. Returns %true if the charge fit within*@memcg's configured limit, %false if the charge had to be forced. | 
| mem_cgroup_swapout | mem_cgroup_swapout - transfer a memsw charge to swap*@page: page whose memsw charge to transfer*@entry: swap entry to move the charge to* Transfer the memsw charge of @page to @entry. | 
| hugetlb_cgroup_move_parent | Should be called with hugetlb_lock held.* Since we are holding hugetlb_lock, pages cannot get moved from* active list or uncharged from the cgroup, So no need to get* page reference and test for page active here. This function* cannot fail. | 
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