Arena

#include "memory.hh"

Inheritance diagram for Arena:

Public Member Functions
size_t	alignment () const
Block	allocate (uint32 length) const
Block	allocate (uint32 length, std::nothrow_t) const
	Arena (uint32 mem_size, uint32 alignment=cache_line_size)
uint64	location () const
void	release (Block allocatedblock) const
uint64	reserved () const

Protected Member Functions
	Arena (AllocatorP)

Protected Attributes
AllocatorP	fma

Detailed Description

Memory area (over-)aligned to cache size and utilizing huge pages.

Constructor & Destructor Documentation

Arena() [1/2]

Arena ( uint32 mem_size, uint32 alignment = cache_line_size )

explicit

Create isolated memory area.

Arena() [2/2]

Arena ( AllocatorP xfma )

explicitprotected

Member Function Documentation

alignment()

size_t alignment

(

)

const

Alignment for block addresses and length.

location()

uint64 location

(

)

const

Address of memory area.

reserved()

uint64 reserved

(

)

const

Reserved memory area in bytes.

allocate() [1/2]

Block allocate

(

uint32

length

)

const

Create a memory block from cache-line aligned memory area, MT-Unsafe.

allocate() [2/2]

Block allocate	(	uint32	length,
		std::nothrow_t
	)		const

release()

void release

(

Block

allocatedblock

)

const

Realease a previously allocated block, MT-Unsafe.

Member Data Documentation

fma

AllocatorP fma

protected

Identifier for the associated memory allocator.