Hi Mattias, Thanks for your review, most will fix in v6.
On 2022/10/7 4:15, Mattias Rönnblom wrote:
> On 2022-10-05 06:09, datshan wrote:
>> From: Chengwen Feng <fengcheng...@huawei.com>
>>
>> The memarea library is an allocator of variable-size object which based
>> on a memory region.
>>
>> This patch provides create/destroy API.
>>
>> Signed-off-by: Chengwen Feng <fengcheng...@huawei.com>
>> ---
>> MAINTAINERS | 5 +
>> doc/api/doxy-api-index.md | 3 +-
>> doc/api/doxy-api.conf.in | 1 +
>> doc/guides/prog_guide/index.rst | 1 +
>> doc/guides/prog_guide/memarea_lib.rst | 39 ++++++
>> doc/guides/rel_notes/release_22_11.rst | 6 +
>> lib/eal/common/eal_common_log.c | 1 +
>> lib/eal/include/rte_log.h | 1 +
>> lib/memarea/memarea_private.h | 30 +++++
>> lib/memarea/meson.build | 16 +++
>> lib/memarea/rte_memarea.c | 157 +++++++++++++++++++++++++
>> lib/memarea/rte_memarea.h | 145 +++++++++++++++++++++++
>> lib/memarea/version.map | 12 ++
>> lib/meson.build | 1 +
>> 14 files changed, 417 insertions(+), 1 deletion(-)
>> create mode 100644 doc/guides/prog_guide/memarea_lib.rst
>> create mode 100644 lib/memarea/memarea_private.h
>> create mode 100644 lib/memarea/meson.build
>> create mode 100644 lib/memarea/rte_memarea.c
>> create mode 100644 lib/memarea/rte_memarea.h
>> create mode 100644 lib/memarea/version.map
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index a55b379d73..b9c638221d 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -1550,6 +1550,11 @@ F: app/test/test_lpm*
>> F: app/test/test_func_reentrancy.c
>> F: app/test/test_xmmt_ops.h
>> +Memarea - EXPERIMENTAL
>> +M: Chengwen Feng <fengcheng...@huawei.com>
>> +F: lib/memarea
>> +F: doc/guides/prog_guide/memarea_lib.rst
>> +
>> Membership - EXPERIMENTAL
>> M: Yipeng Wang <yipeng1.w...@intel.com>
>> M: Sameh Gobriel <sameh.gobr...@intel.com>
>> diff --git a/doc/api/doxy-api-index.md b/doc/api/doxy-api-index.md
>> index de488c7abf..24456604f8 100644
>> --- a/doc/api/doxy-api-index.md
>> +++ b/doc/api/doxy-api-index.md
>> @@ -62,7 +62,8 @@ The public API headers are grouped by topics:
>> [memzone](@ref rte_memzone.h),
>> [mempool](@ref rte_mempool.h),
>> [malloc](@ref rte_malloc.h),
>> - [memcpy](@ref rte_memcpy.h)
>> + [memcpy](@ref rte_memcpy.h),
>> + [memarea](@ref rte_memarea.h)
>> - **timers**:
>> [cycles](@ref rte_cycles.h),
>> diff --git a/doc/api/doxy-api.conf.in b/doc/api/doxy-api.conf.in
>> index f0886c3bd1..8334ebcbd6 100644
>> --- a/doc/api/doxy-api.conf.in
>> +++ b/doc/api/doxy-api.conf.in
>> @@ -53,6 +53,7 @@ INPUT =
>> @TOPDIR@/doc/api/doxy-api-index.md \
>> @TOPDIR@/lib/latencystats \
>> @TOPDIR@/lib/lpm \
>> @TOPDIR@/lib/mbuf \
>> + @TOPDIR@/lib/memarea \
>> @TOPDIR@/lib/member \
>> @TOPDIR@/lib/mempool \
>> @TOPDIR@/lib/meter \
>> diff --git a/doc/guides/prog_guide/index.rst
>> b/doc/guides/prog_guide/index.rst
>> index 8564883018..e9015d65e3 100644
>> --- a/doc/guides/prog_guide/index.rst
>> +++ b/doc/guides/prog_guide/index.rst
>> @@ -37,6 +37,7 @@ Programmer's Guide
>> hash_lib
>> toeplitz_hash_lib
>> efd_lib
>> + memarea_lib
>> member_lib
>> lpm_lib
>> lpm6_lib
>> diff --git a/doc/guides/prog_guide/memarea_lib.rst
>> b/doc/guides/prog_guide/memarea_lib.rst
>> new file mode 100644
>> index 0000000000..b96dad15f6
>> --- /dev/null
>> +++ b/doc/guides/prog_guide/memarea_lib.rst
>> @@ -0,0 +1,39 @@
>> +.. SPDX-License-Identifier: BSD-3-Clause
>> + Copyright(c) 2022 HiSilicon Limited
>> +
>> +Memarea Library
>> +===============
>> +
>> +Introduction
>> +------------
>> +
>> +The memarea library provides an allocator of variable-size objects, it is
>> +oriented towards the application layer, which could provides 'region-based
>> +memory management' function [1].
>> +
>> +The main features are as follows:
>> +
>> +* The default aligement size is ``RTE_CACHE_LINE_SIZE``.
>> +
>> +* The memory region can be initialized from the following memory sources:
>> + a) RTE memory: e.g. invoke ``rte_malloc_socket`` to obtain. b) System API:
>> + e.g. invoke posix_memalign to obtain. c) User provided address: it can be
>> from
>> + extendedd memory as long as it is available. d) User provided memarea: it
>> can
>> + be from another memarea.
>> +
>> +* It provides refcnt feature which could be useful in multi-reader scenario.
>> +
>> +* It supports MT-safe as long as it's specified at creation time.
>> +
>> +Library API Overview
>> +--------------------
>> +
>> +The ``rte_memarea_create()`` function is used to create a memarea, the
>> function
>> +returns the pointer to the created memarea or ``NULL`` if the creation
>> failed.
>> +
>> +The ``rte_memarea_destroy()`` function is used to destroy a memarea.
>> +
>> +Reference
>> +---------
>> +
>> +[1] https://en.wikipedia.org/wiki/Region-based_memory_management
>> diff --git a/doc/guides/rel_notes/release_22_11.rst
>> b/doc/guides/rel_notes/release_22_11.rst
>> index 5d8ef669b8..4c1f760b98 100644
>> --- a/doc/guides/rel_notes/release_22_11.rst
>> +++ b/doc/guides/rel_notes/release_22_11.rst
>> @@ -55,6 +55,12 @@ New Features
>> Also, make sure to start the actual text at the margin.
>> =======================================================
>> +* **Added memarea library.**
>> +
>> + The memarea library is an allocator of variable-size objects, it is
>> oriented
>> + towards the application layer, which could provides 'region-based memory
>> + management' function.
>> +
>> * **Added configuration for asynchronous flow connection tracking.**
>> Added connection tracking action number hint to ``rte_flow_configure``
>> diff --git a/lib/eal/common/eal_common_log.c
>> b/lib/eal/common/eal_common_log.c
>> index bd7b188ceb..3d62af59c6 100644
>> --- a/lib/eal/common/eal_common_log.c
>> +++ b/lib/eal/common/eal_common_log.c
>> @@ -369,6 +369,7 @@ static const struct logtype logtype_strings[] = {
>> {RTE_LOGTYPE_EFD, "lib.efd"},
>> {RTE_LOGTYPE_EVENTDEV, "lib.eventdev"},
>> {RTE_LOGTYPE_GSO, "lib.gso"},
>> + {RTE_LOGTYPE_MEMAREA, "lib.memarea"},
>> {RTE_LOGTYPE_USER1, "user1"},
>> {RTE_LOGTYPE_USER2, "user2"},
>> {RTE_LOGTYPE_USER3, "user3"},
>> diff --git a/lib/eal/include/rte_log.h b/lib/eal/include/rte_log.h
>> index 25ce42cdfc..708f3a39dd 100644
>> --- a/lib/eal/include/rte_log.h
>> +++ b/lib/eal/include/rte_log.h
>> @@ -48,6 +48,7 @@ extern "C" {
>> #define RTE_LOGTYPE_EFD 18 /**< Log related to EFD. */
>> #define RTE_LOGTYPE_EVENTDEV 19 /**< Log related to eventdev. */
>> #define RTE_LOGTYPE_GSO 20 /**< Log related to GSO. */
>> +#define RTE_LOGTYPE_MEMAREA 21 /**< Log related to memarea. */
>> /* these log types can be used in an application */
>> #define RTE_LOGTYPE_USER1 24 /**< User-defined log type 1. */
>> diff --git a/lib/memarea/memarea_private.h b/lib/memarea/memarea_private.h
>> new file mode 100644
>> index 0000000000..c76392d3e6
>> --- /dev/null
>> +++ b/lib/memarea/memarea_private.h
>> @@ -0,0 +1,30 @@
>> +/* SPDX-License-Identifier: BSD-3-Clause
>> + * Copyright(c) 2022 HiSilicon Limited
>> + */
>> +
>> +#ifndef MEMAREA_PRIVATE_H
>> +#define MEMAREA_PRIVATE_H
>> +
>> +#include <rte_memarea.h>
>> +
>> +#define MEMAREA_FREE_ELEM_COOKIE 0xFFFFFFFF
>> +
>> +struct memarea_elem {
>> + size_t size;
>> + uint32_t cookie;
>> + int32_t refcnt; /* Non-zero indicates that it has been allocated */
>> + TAILQ_ENTRY(memarea_elem) elem_node;
>> + TAILQ_ENTRY(memarea_elem) free_node;
>> +} __rte_cache_aligned;
>> +
>
> Why is the elem type cache line aligned? Need the elem data start be cache
> line aligned?
Yes, the elem data align at cache-line default.
>
>> +TAILQ_HEAD(memarea_elem_list, memarea_elem);
>> +
>> +struct rte_memarea {
>> + struct rte_memarea_param init;
>> + rte_spinlock_t lock;
>> + void *area_addr;
>> + struct memarea_elem_list elem_list;
>> + struct memarea_elem_list free_list;
>> +} __rte_cache_aligned;
>> +
>> +#endif /* MEMAREA_PRIVATE_H */
>> diff --git a/lib/memarea/meson.build b/lib/memarea/meson.build
>> new file mode 100644
>> index 0000000000..0a74fb4cd1
>> --- /dev/null
>> +++ b/lib/memarea/meson.build
>> @@ -0,0 +1,16 @@
>> +# SPDX-License-Identifier: BSD-3-Clause
>> +# Copyright(c) 2022 HiSilicon Limited
>> +
>> +if is_windows
>> + build = false
>> + reason = 'not supported on Windows'
>> + subdir_done()
>> +endif
>> +
>> +sources = files(
>> + 'rte_memarea.c',
>> +)
>> +headers = files(
>> + 'rte_memarea.h',
>> +)
>> +deps += []
>> diff --git a/lib/memarea/rte_memarea.c b/lib/memarea/rte_memarea.c
>> new file mode 100644
>> index 0000000000..868da7661d
>> --- /dev/null
>> +++ b/lib/memarea/rte_memarea.c
>> @@ -0,0 +1,157 @@
>> +/* SPDX-License-Identifier: BSD-3-Clause
>> + * Copyright(c) 2022 HiSilicon Limited
>> + */
>> +
>> +#include <stdio.h>
>> +#include <stdlib.h>
>> +
>> +#include <rte_common.h>
>> +#include <rte_log.h>
>> +#include <rte_malloc.h>
>> +#include <rte_spinlock.h>
>> +
>> +#include "rte_memarea.h"
>> +#include "memarea_private.h"
>> +
>> +static int
>> +memarea_check_param(const struct rte_memarea_param *init)
>> +{
>> + size_t len;
>> +
>> + if (init == NULL) {
>> + RTE_LOG(ERR, MEMAREA, "memarea init param is NULL!\n");
>> + return -EINVAL;
>> + }
>> +
>> + len = strnlen(init->name, RTE_MEMAREA_NAMESIZE);
>> + if (len == 0 || len >= RTE_MEMAREA_NAMESIZE) {
>> + RTE_LOG(ERR, MEMAREA, "memarea name size %zu invalid!\n", len);
>> + return -EINVAL;
>> + }
>> +
>> + if (init->source != RTE_MEMAREA_SOURCE_RTE_MEMORY &&
>> + init->source != RTE_MEMAREA_SOURCE_SYSTEM_API &&
>> + init->source != RTE_MEMAREA_SOURCE_USER_ADDR &&
>> + init->source != RTE_MEMAREA_SOURCE_USER_MEMAREA) {
>> + RTE_LOG(ERR, MEMAREA, "memarea: %s source: %d not supported!\n",
>> + init->name, init->source);
>> + return -EINVAL;
>> + }
>> +
>> + if (init->total_sz <= sizeof(struct memarea_elem)) {
>> + RTE_LOG(ERR, MEMAREA, "memarea: %s total-size: %zu too small!\n",
>> + init->name, init->total_sz);
>> + return -EINVAL;
>> + }
>> +
>> + if (init->source == RTE_MEMAREA_SOURCE_USER_ADDR && init->user_addr ==
>> NULL) {
>> + RTE_LOG(ERR, MEMAREA, "memarea: %s user provided addr is NULL!\n",
>> init->name);
>> + return -EINVAL;
>> + }
>> +
>> + if (init->source == RTE_MEMAREA_SOURCE_USER_ADDR &&
>> + ((uintptr_t)init->user_addr & (RTE_CACHE_LINE_SIZE - 1))) {
>> + RTE_LOG(ERR, MEMAREA, "memarea: %s user provided addr should align:
>> %d!\n",
>> + init->name, RTE_CACHE_LINE_SIZE);
>> + return -EINVAL;
>> + }
>> +
>> + if (init->source == RTE_MEMAREA_SOURCE_USER_MEMAREA &&
>> init->user_memarea == NULL) {
>> + RTE_LOG(ERR, MEMAREA, "memarea: %s user provided memarea is
>> NULL!\n", init->name);
>> + return -EINVAL;
>> + }
>> +
>> + if (init->alg != RTE_MEMAREA_ALG_DEFAULT) {
>> + RTE_LOG(ERR, MEMAREA, "memarea: %s alg: %d not supported!\n",
>> + init->name, init->alg);
>> + return -EINVAL;
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static void *
>> +memarea_alloc_from_system_api(size_t size)
>> +{
>> + void *ptr = NULL;
>> + int ret;
>> +
>> + ret = posix_memalign(&ptr, RTE_CACHE_LINE_SIZE, size);
>> + if (ret)
>> + return NULL;
>> + return ptr;
>> +}
>> +
>> +static void *
>> +memarea_alloc_area(const struct rte_memarea_param *init)
>> +{
>> + void *ptr = NULL;
>> +
>> + if (init->source == RTE_MEMAREA_SOURCE_RTE_MEMORY)
>
> Delete MEMORY. Of course it's memory. What else? If you want to make it clear
> it's from the RTE heap, it should spell out HEAP. Or MALLOC.
HEAP seem better.
>
>> + ptr = rte_malloc_socket(NULL, init->total_sz, RTE_CACHE_LINE_SIZE,
>> + init->numa_socket);
>> + else if (init->source == RTE_MEMAREA_SOURCE_SYSTEM_API)
>> + ptr = memarea_alloc_from_system_api(init->total_sz);
>
> "SYSTEM_API" doesn't strike me as a good name.
>
> RTE_MEMAREA_SOURCE_LIBC
LIBC seem better.
> RTE_MEMAREA_SOURCE_STD_HEAP
> or at least remove API so it'll be
> RTE_MEMAREA_SOURCE_SYSTEM
>
>> + else if (init->source == RTE_MEMAREA_SOURCE_USER_ADDR)
>
> I would delete "ADDR".
+1
>
>> + ptr = init->user_addr;
>> +
>> + if (ptr == NULL)
>> + RTE_LOG(ERR, MEMAREA, "memarea: %s alloc memory area fail!\n",
>> init->name);
>> +
>> + return ptr;
>> +}
>> +
>> +struct rte_memarea *
>> +rte_memarea_create(const struct rte_memarea_param *init)
>> +{
>> + struct memarea_elem *elem;
>> + struct rte_memarea *ma;
>> + void *addr;
>> + int ret;
>> +
>> + ret = memarea_check_param(init);
>> + if (ret)
>> + return NULL;
>> +
>> + addr = memarea_alloc_area(init);
>> + if (addr == NULL)
>> + return NULL;
>> +
>> + ma = rte_zmalloc(NULL, sizeof(struct rte_memarea), RTE_CACHE_LINE_SIZE);
>> + if (ma == NULL) {
>> + RTE_LOG(ERR, MEMAREA, "malloc memarea: %s management obj fail!\n",
>> init->name);
>> + return NULL;
>> + }
>> +
>> + ma->init = *init;
>> + rte_spinlock_init(&ma->lock);
>> + TAILQ_INIT(&ma->elem_list);
>> + TAILQ_INIT(&ma->free_list);
>> + ma->area_addr = addr;
>> + elem = addr;
>> + elem->size = init->total_sz - sizeof(struct memarea_elem);
>> + elem->cookie = MEMAREA_FREE_ELEM_COOKIE;
>> + elem->refcnt = 0;
>> + TAILQ_INSERT_TAIL(&ma->elem_list, elem, elem_node);
>> + TAILQ_INSERT_TAIL(&ma->free_list, elem, free_node);
>> +
>> + return ma;
>> +}
>> +
>> +static void
>> +memarea_free_area(struct rte_memarea *ma)
>> +{
>> + if (ma->init.source == RTE_MEMAREA_SOURCE_RTE_MEMORY)
>> + rte_free(ma->area_addr);
>> + else if (ma->init.source == RTE_MEMAREA_SOURCE_SYSTEM_API)
>> + free(ma->area_addr);
>> +}
>> +
>> +void
>> +rte_memarea_destroy(struct rte_memarea *ma)
>> +{
>> + if (ma == NULL)
>> + return;
>> + memarea_free_area(ma);
>> + rte_free(ma);
>> +}
>> diff --git a/lib/memarea/rte_memarea.h b/lib/memarea/rte_memarea.h
>> new file mode 100644
>> index 0000000000..543cda4cac
>> --- /dev/null
>> +++ b/lib/memarea/rte_memarea.h
>> @@ -0,0 +1,145 @@
>> +/* SPDX-License-Identifier: BSD-3-Clause
>> + * Copyright(c) 2022 HiSilicon Limited
>> + */
>> +
>> +#ifndef RTE_MEMAREA_H
>> +#define RTE_MEMAREA_H
>> +
>> +/**
>> + * @file
>> + * RTE Memarea.
>> + *
>> + * The memarea is an allocator of variable-size object which based on a
>> memory
>> + * region. It has the following features:
>> + *
>> + * - The default alignment size is RTE_CACHE_LINE_SIZE.
>
> This can be read as two things: the object size is aligned, or the start
> address is aligned.
It means the start address align, will define more clear in v6.
>
>> + * - The memory region can be initialized from the following memory sources:
>> + * 1. RTE memory: e.g. invoke rte_malloc_socket to obtain.
>
> Remove "to obtain", or add "memory" after "obtain". Do you really mean
> "e.g.", and not "i.e."?
will fix in v6.
>
>> + * 2. System API: e.g. invoke posix_memalign to obtain.
>> + * 3. User provided address: it can be from extended memory as long as it
>> is
>> + * available. The address must be aligned to RTE_CACHE_LINE_SIZE.
>
> What is extended memory?
Like rte_extmen
>
>> + * 4) User provided memarea: it can be from another memarea. So we can
>> build
>> + * the following memory management structure:
>> + * \code{.unparsed}
>> + * -------------
>> + * | memarea-1 |
>> + * -------------
>> + * |
>> + * v
>> + * -------------------------------
>> + * | | |
>> + * v v v
>> + * ------------- ------------- ----------
>> + * | memarea-2 | | memarea-3 | | object |
>> + * ------------- ------------- ----------
>> + * \endcode
>> + * As shown above, the memarea-2/3 both create from memarea-1's memory.
>> + * - It provides refcnt feature which could be useful in multi-reader
>> scenario.
>> + * - It supports MT-safe as long as it's specified at creation time. If not
>> + * specified, all the functions of the memarea API are lock-free, and
>> assume
>> + * to not be invoked in parallel on different logical cores to work on the
>> + * same memarea.
>> + */
>> +
>> +#include <stdbool.h>
>> +#include <stdint.h>
>> +#include <stdio.h>
>> +
>> +#include <rte_compat.h>
>> +
>> +#ifdef __cplusplus
>> +extern "C" {
>> +#endif
>> +
>> +#define RTE_MEMAREA_NAMESIZE 64
>> +
>> +/**
>> + * Memarea memory source.
>> + */
>> +enum rte_memarea_source {
>> + /** Memory source comes from rte memory. */
>> + RTE_MEMAREA_SOURCE_RTE_MEMORY,
>> + /** Memory source comes from system API. */
>> + RTE_MEMAREA_SOURCE_SYSTEM_API,
>> + /** Memory source comes from user-provided address. */
>> + RTE_MEMAREA_SOURCE_USER_ADDR,
>> + /** Memory source comes from user-provided memarea. */
>> + RTE_MEMAREA_SOURCE_USER_MEMAREA,
>> +};
>> +
>> +/**
>> + * Memarea memory management algorithm.
>> + */
>> +enum rte_memarea_alg {
>> + /* The default management algorithm is a variant of the next fit
>> + * algorithm. It uses a free-list to apply for memory and uses an
>> + * element-list in ascending order of address to support merging
>> + * upon free.
>> + */
>> + RTE_MEMAREA_ALG_DEFAULT,
>> +};
>> +
>> +struct rte_memarea;
>> +
>> +struct rte_memarea_param {
>
> Does this struct need to be public?
Yes, the rte_memarea_param contains create parameters for create memarea which
need be public.
And rte_memarea which pointer implementation struction which just a declare
here.
>
>> + char name[RTE_MEMAREA_NAMESIZE]; /**< Name of memarea. */
>> + enum rte_memarea_source source; /**< Memory source of memarea. */
>> + enum rte_memarea_alg alg; /**< Memory management algorithm. */
>> + size_t total_sz; /**< total size (bytes) of memarea. */
>> + /** Indicates whether the memarea API should be MT-safe. */
>> + uint32_t mt_safe : 1;
>
> Why not bool?
Use bit field other than bool will provides more reserved field.
>
>> + union {
>> + /** Numa socket from which to apply for memarea's memory, this
>> + * field is valid only when the source is set to be
>> + * RTE_MEMAREA_SOURCE_RTE_MEMORY.
>> + */
>> + int numa_socket;
>> + /** User provided address, this field is valid only when the
>> + * source is set to be RTE_MEMAREA_SOURCE_USER_ADDR.
>> + * Note: the provided address must align at least
>> + * RTE_CACHE_LINE_SIZE.
>> + */
>> + void *user_addr;
>> + /** User provided memarea, this field is valid only when the
>> + * source is set to be RTE_MEMAREA_SOURCE_USER_MEMAREA.
>> + */
>> + struct rte_memarea *user_memarea;
>> + };
>> +};
>> +
>> +/**
>> + * @warning
>> + * @b EXPERIMENTAL: this API may change without prior notice.
>> + *
>> + * Create memarea.
>> + *
>> + * Create one new memarea.
>> + *
>> + * @param init
>> + * The init parameter of memarea.
>> + *
>> + * @return
>> + * Non-NULL on success. Otherwise NULL is returned.
>> + */
>> +__rte_experimental
>> +struct rte_memarea *rte_memarea_create(const struct rte_memarea_param
>> *init);
>> +
>> +/**
>> + * @warning
>> + * @b EXPERIMENTAL: this API may change without prior notice.
>> + *
>> + * Destroy memarea.
>> + *
>> + * Destroy the memarea.
>> + *
>> + * @param ma
>> + * The pointer of memarea.
>> + */
>> +__rte_experimental
>> +void rte_memarea_destroy(struct rte_memarea *ma);
>> +
>> +#ifdef __cplusplus
>> +}
>> +#endif
>> +
>> +#endif /* RTE_MEMAREA_H */
>> diff --git a/lib/memarea/version.map b/lib/memarea/version.map
>> new file mode 100644
>> index 0000000000..f36a04d7cf
>> --- /dev/null
>> +++ b/lib/memarea/version.map
>> @@ -0,0 +1,12 @@
>> +EXPERIMENTAL {
>> + global:
>> +
>> + rte_memarea_create;
>> + rte_memarea_destroy;
>> +
>> + local: *;
>> +};
>> +
>> +INTERNAL {
>> + local: *;
>> +};
>> diff --git a/lib/meson.build b/lib/meson.build
>> index c648f7d800..521a25d6c0 100644
>> --- a/lib/meson.build
>> +++ b/lib/meson.build
>> @@ -42,6 +42,7 @@ libraries = [
>> 'kni',
>> 'latencystats',
>> 'lpm',
>> + 'memarea',
>> 'member',
>> 'pcapng',
>> 'power',
>
> .
