clib_mem_vm_alloc_t Struct Reference

Data Fields
u32	flags
	vm allocation flags: CLIB_MEM_VM_F_SHARED: request shared memory, file descriptor will be provided on successful allocation. More...
char *	name
	Name for memory allocation, set by caller. More...
uword	size
	Allocation size, set by caller. More...
int	numa_node
	numa node preference. More...
void *	addr
	Pointer to allocated memory, set on successful allocation. More...
int	fd
	File descriptor, set on successful allocation if CLIB_MEM_VM_F_SHARED is set. More...
int	log2_page_size
int	n_pages
uword	requested_va
	Request fixed position mapping. More...

Detailed Description

Definition at line 324 of file mem.h.

Field Documentation

void* clib_mem_vm_alloc_t::addr

Pointer to allocated memory, set on successful allocation.

Definition at line 346 of file mem.h.

int clib_mem_vm_alloc_t::fd

File descriptor, set on successful allocation if CLIB_MEM_VM_F_SHARED is set.

Definition at line 347 of file mem.h.

u32 clib_mem_vm_alloc_t::flags

vm allocation flags:
CLIB_MEM_VM_F_SHARED: request shared memory, file descriptor will be provided on successful allocation.

CLIB_MEM_VM_F_HUGETLB: request hugepages.
CLIB_MEM_VM_F_NUMA_PREFER: numa_node field contains valid numa node preference.
CLIB_MEM_VM_F_NUMA_FORCE: fail if setting numa policy fails.
CLIB_MEM_VM_F_HUGETLB_PREALLOC: pre-allocate hugepages if number of available pages is not sufficient.
CLIB_MEM_VM_F_LOCKED: request locked memory.

Definition at line 332 of file mem.h.

int clib_mem_vm_alloc_t::log2_page_size

Definition at line 348 of file mem.h.

int clib_mem_vm_alloc_t::n_pages

Definition at line 349 of file mem.h.

char* clib_mem_vm_alloc_t::name

Name for memory allocation, set by caller.

Definition at line 343 of file mem.h.

int clib_mem_vm_alloc_t::numa_node

numa node preference.

Valid if CLIB_MEM_VM_F_NUMA_PREFER set.

Definition at line 345 of file mem.h.

uword clib_mem_vm_alloc_t::requested_va

Request fixed position mapping.

Definition at line 350 of file mem.h.

uword clib_mem_vm_alloc_t::size

Allocation size, set by caller.

Definition at line 344 of file mem.h.

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

• src/vppinfra/mem.h