zxfoundation::memory::slub::slab_header Struct Reference

Metadata embedded at the physical start of each slab frame. More...

Collaboration diagram for zxfoundation::memory::slub::slab_header:

Data Fields
u8	_pad {0}
kmem_cache *	cache {nullptr}
	Back-pointer to owning kmem_cache.
slab_header *	cpu_partial_next {nullptr}
	CPU partial list (singly-linked).
void *	freelist {nullptr}
	In-object freelist head (when parked).
u8	frozen {0}
	1 = CPU owns its active freelist.
atomic< u32 >	inuse {0}
	Live allocated objects.
slab_header *	next {nullptr}
	Node partial list linkage.
u8	node_id {0}
	PMM-selected NUMA owner node.
u32	objects {0}
	Total objects in this slab.
u8	on_node_partial {0}
	Linked in its owner's partial list.
u64	phys {0}
	Physical address of this slab frame.
slab_header *	prev {nullptr}
sync::rcu::rcu_head	rcu {}
	For typesafe_by_rcu deferred free.
u32	rcu_order {0}
	PMM order stashed for RCU deferred free.
u32	slab_order {0}
	PMM order of this slab (set once, never changes).

Detailed Description

Metadata embedded at the physical start of each slab frame.

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

• zxfoundation/memory/slub.zcomponent/types.cxxm