Collaboration diagram for page_entry:

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Data Fields
struct page_entry *	next

struct page_entry *	prev

size_t	bytes

char *	page

struct page_group *	group

unsigned long	index_by_depth

unsigned short	context_depth

unsigned short	num_free_objects

unsigned short	next_bit_hint

unsigned char	order

bool	discarded

unsigned long	in_use_p [1]

Detailed Description

A page_entry records the status of an allocation page.  This
structure is dynamically sized to fit the bitmap in_use_p.

Field Documentation

◆ bytes

size_t page_entry::bytes

Referenced by alloc_page(), free_page(), ggc_pch_read(), ggc_print_statistics(), init_ggc(), and release_pages().

◆ context_depth

unsigned short page_entry::context_depth

Referenced by adjust_depth(), alloc_page(), clear_marks(), debug_print_page_list(), free_page(), ggc_internal_alloc(), ggc_pch_read(), and sweep_pages().

◆ discarded

bool page_entry::discarded

Referenced by alloc_page(), and release_pages().

◆ group

struct page_group* page_entry::group

Referenced by alloc_page(), clear_page_group_in_use(), free_page(), release_pages(), and set_page_group_in_use().

◆ in_use_p

unsigned long page_entry::in_use_p[1]

Referenced by alloc_page(), clear_marks(), ggc_free(), ggc_internal_alloc(), ggc_marked_p(), ggc_pch_read(), ggc_recalculate_in_use_p(), ggc_set_mark(), and gt_ggc_m_S().

◆ index_by_depth

unsigned long page_entry::index_by_depth

Referenced by free_page(), ggc_internal_alloc(), and move_ptes_to_front().

◆ next

struct page_entry* page_entry::next

Referenced by alloc_page(), clear_marks(), free_page(), ggc_free(), ggc_internal_alloc(), ggc_pch_read(), ggc_print_statistics(), init_ggc(), release_pages(), and sweep_pages().

◆ next_bit_hint

unsigned short page_entry::next_bit_hint

Referenced by alloc_page(), ggc_free(), and ggc_internal_alloc().

◆ num_free_objects

unsigned short page_entry::num_free_objects

Referenced by alloc_page(), clear_marks(), ggc_free(), ggc_internal_alloc(), ggc_pch_read(), ggc_print_statistics(), ggc_recalculate_in_use_p(), ggc_set_mark(), gt_ggc_m_S(), and sweep_pages().

◆ order

unsigned char page_entry::order

Referenced by alloc_page(), clear_marks(), debug_print_page_list(), ggc_free(), ggc_get_size(), ggc_internal_alloc(), ggc_marked_p(), ggc_pch_read(), ggc_round_alloc_size_1(), ggc_set_mark(), gt_ggc_m_S(), init_ggc(), and sweep_pages().

◆ page

char* page_entry::page

Referenced by alloc_page(), clear_marks(), clear_page_group_in_use(), free_page(), ggc_free(), ggc_internal_alloc(), ggc_marked_p(), ggc_pch_read(), ggc_set_mark(), gt_ggc_m_S(), init_ggc(), page_group_index(), release_pages(), and set_page_group_in_use().

◆ prev

struct page_entry* page_entry::prev

Referenced by ggc_free(), ggc_internal_alloc(), release_pages(), and sweep_pages().

The documentation for this struct was generated from the following file:

ggc-page.cc

Data Fields