Page descriptor. Use as a bitmap to understand the order of the block and if it is free or allocated. More...

Public Attributes
unsigned long	flags
	Array of flags encoding also the zone number to which the page frame belongs.

atomic_t	count
	Page frame’s reference counter. 0 free, 1 used, 2+ copy on write.

bb_page_t	bbpage
	Buddy system page definition.

list_head	slabs
	Contains pointers to the slabs doubly linked list of pages.

unsigned int	slab_objcnt
	Slab allocator variables / Contains the total number of objects in this page, 0 if not managed by the slub.

unsigned int	slab_objfree
	Tracks the number of free objects in the current page.

list_head	slab_freelist
	Holds the first free object (if slab_objfree is > 0)

union {
struct page_t * slab_main_page
	Holds the slab page used to handle this memory region (root page).

kmem_cache_t * slab_cache
	Holds the slab cache pointer on the main page.

}	container
	This union can either contain the pointer to the slab main page that handles this page, or the cache that contains it.

Detailed Description

Page descriptor. Use as a bitmap to understand the order of the block and if it is free or allocated.

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

Public Attributes