Function report |
Source Code:mm\page_counter.c |
Create Date:2022-07-28 16:07:27 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:page_counter_cancel - take pages out of the local counter*@counter: counter*@nr_pages: number of pages to cancel
Proto:void page_counter_cancel(struct page_counter *counter, unsigned long nr_pages)
Type:void
Parameter:
Type | Parameter | Name |
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struct page_counter * | counter | |
unsigned long | nr_pages |
59 | new = atomic_long_sub_return(nr_pages, & usage) |
62 | WARN_ON_ONCE(new < 0) |
Name | Describe |
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page_counter_try_charge | page_counter_try_charge - try to hierarchically charge pages*@counter: counter*@nr_pages: number of pages to charge*@fail: points first counter to hit its limit, if any* Returns %true on success, or %false and @fail if the counter or one |
page_counter_uncharge | page_counter_uncharge - hierarchically uncharge pages*@counter: counter*@nr_pages: number of pages to uncharge |
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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