/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
* are met:
- *
- * * Redistributions of source code must retain the above copyright
+ *
+ * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
* distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * version: DPDK.L.1.2.3-3
*/
#include <stdlib.h>
#include <rte_log.h>
#include <rte_memory.h>
#include <rte_memzone.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
+#include <rte_eal_memconfig.h>
#include <rte_per_lcore.h>
#include <rte_errno.h>
#include <rte_string_fns.h>
#include <rte_common.h>
+#include "malloc_heap.h"
+#include "malloc_elem.h"
#include "eal_private.h"
-/* internal copy of free memory segments */
-static struct rte_memseg free_memseg[RTE_MAX_MEMSEG];
+static inline const struct rte_memzone *
+memzone_lookup_thread_unsafe(const char *name)
+{
+ const struct rte_mem_config *mcfg;
+ const struct rte_memzone *mz;
+ unsigned i = 0;
-/* pointer to last reserved memzone */
-static unsigned memzone_idx;
+ /* get pointer to global configuration */
+ mcfg = rte_eal_get_configuration()->mem_config;
-/*
- * Return a pointer to a correctly filled memzone descriptor. If the
- * allocation cannot be done, return NULL.
- */
-const struct rte_memzone *
-rte_memzone_reserve(const char *name, uint64_t len, int socket_id,
- unsigned flags)
-{
- return rte_memzone_reserve_aligned(name,
- len, socket_id, flags, CACHE_LINE_SIZE);
+ /*
+ * the algorithm is not optimal (linear), but there are few
+ * zones and this function should be called at init only
+ */
+ for (i = 0; i < RTE_MAX_MEMZONE; i++) {
+ mz = &mcfg->memzone[i];
+ if (mz->addr != NULL && !strncmp(name, mz->name, RTE_MEMZONE_NAMESIZE))
+ return &mcfg->memzone[i];
+ }
+
+ return NULL;
}
-/*
- * Return a pointer to a correctly filled memzone descriptor (with a
- * specified alignment). If the allocation cannot be done, return NULL.
- */
-const struct rte_memzone *
-rte_memzone_reserve_aligned(const char *name, uint64_t len,
- int socket_id, unsigned flags, unsigned align)
+static inline struct rte_memzone *
+get_next_free_memzone(void)
{
- struct rte_config *config;
+ struct rte_mem_config *mcfg;
unsigned i = 0;
- int memseg_idx = -1;
- uint64_t requested_len;
- uint64_t memseg_len = 0;
- phys_addr_t memseg_physaddr;
- void *memseg_addr;
- uintptr_t addr_offset;
-
- /* if secondary processes return error */
- if (rte_eal_process_type() == RTE_PROC_SECONDARY){
- RTE_LOG(ERR, EAL, "%s(): Not allowed in secondary process\n", __func__);
- rte_errno = E_RTE_SECONDARY;
- return NULL;
+
+ /* get pointer to global configuration */
+ mcfg = rte_eal_get_configuration()->mem_config;
+
+ for (i = 0; i < RTE_MAX_MEMZONE; i++) {
+ if (mcfg->memzone[i].addr == NULL)
+ return &mcfg->memzone[i];
}
- /* if alignment is not a power of two */
- if (!rte_is_power_of_2(align)) {
- RTE_LOG(ERR, EAL, "%s(): Invalid alignment: %u\n", __func__,
- align);
- rte_errno = EINVAL;
- return NULL;
+ return NULL;
+}
+
+/* This function will return the greatest free block if a heap has been
+ * specified. If no heap has been specified, it will return the heap and
+ * length of the greatest free block available in all heaps */
+static size_t
+find_heap_max_free_elem(int *s, unsigned align)
+{
+ struct rte_mem_config *mcfg;
+ struct rte_malloc_socket_stats stats;
+ int i, socket = *s;
+ size_t len = 0;
+
+ /* get pointer to global configuration */
+ mcfg = rte_eal_get_configuration()->mem_config;
+
+ for (i = 0; i < RTE_MAX_NUMA_NODES; i++) {
+ if ((socket != SOCKET_ID_ANY) && (socket != i))
+ continue;
+
+ malloc_heap_get_stats(&mcfg->malloc_heaps[i], &stats);
+ if (stats.greatest_free_size > len) {
+ len = stats.greatest_free_size;
+ *s = i;
+ }
}
- /* alignment less than cache size is not allowed */
- if (align < CACHE_LINE_SIZE)
- align = CACHE_LINE_SIZE;
+ return len - MALLOC_ELEM_OVERHEAD - align;
+}
+
+static const struct rte_memzone *
+memzone_reserve_aligned_thread_unsafe(const char *name, size_t len,
+ int socket_id, unsigned flags, unsigned align, unsigned bound)
+{
+ struct rte_mem_config *mcfg;
+ size_t requested_len;
+ int socket, i;
/* get pointer to global configuration */
- config = rte_eal_get_configuration();
+ mcfg = rte_eal_get_configuration()->mem_config;
/* no more room in config */
- if (memzone_idx >= RTE_MAX_MEMZONE) {
+ if (mcfg->memzone_cnt >= RTE_MAX_MEMZONE) {
RTE_LOG(ERR, EAL, "%s(): No more room in config\n", __func__);
rte_errno = ENOSPC;
return NULL;
}
- /* both sizes cannot be explicitly called for */
- if ((flags & RTE_MEMZONE_1GB) && (flags & RTE_MEMZONE_2MB)) {
- rte_errno = EINVAL;
- return NULL;
- }
-
/* zone already exist */
- if (rte_memzone_lookup(name) != NULL) {
+ if ((memzone_lookup_thread_unsafe(name)) != NULL) {
RTE_LOG(DEBUG, EAL, "%s(): memzone <%s> already exists\n",
__func__, name);
rte_errno = EEXIST;
return NULL;
}
- /* align length on cache boundary */
- len += CACHE_LINE_MASK;
- len &= ~((uint64_t)CACHE_LINE_MASK);
-
-
+ /* if alignment is not a power of two */
+ if (align && !rte_is_power_of_2(align)) {
+ RTE_LOG(ERR, EAL, "%s(): Invalid alignment: %u\n", __func__,
+ align);
+ rte_errno = EINVAL;
+ return NULL;
+ }
- /* save requested length */
- requested_len = len;
+ /* alignment less than cache size is not allowed */
+ if (align < RTE_CACHE_LINE_SIZE)
+ align = RTE_CACHE_LINE_SIZE;
- /* reserve extra space for future alignment */
- if (len)
- len += align;
+ /* align length on cache boundary. Check for overflow before doing so */
+ if (len > SIZE_MAX - RTE_CACHE_LINE_MASK) {
+ rte_errno = EINVAL; /* requested size too big */
+ return NULL;
+ }
- /* find the smallest segment matching requirements */
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
+ len += RTE_CACHE_LINE_MASK;
+ len &= ~((size_t) RTE_CACHE_LINE_MASK);
- /* last segment */
- if (free_memseg[i].addr == NULL)
- break;
+ /* save minimal requested length */
+ requested_len = RTE_MAX((size_t)RTE_CACHE_LINE_SIZE, len);
- /* empty segment, skip it */
- if (free_memseg[i].len == 0)
- continue;
+ /* check that boundary condition is valid */
+ if (bound != 0 && (requested_len > bound || !rte_is_power_of_2(bound))) {
+ rte_errno = EINVAL;
+ return NULL;
+ }
- /* bad socket ID */
- if (socket_id != SOCKET_ID_ANY &&
- socket_id != free_memseg[i].socket_id)
- continue;
+ if ((socket_id != SOCKET_ID_ANY) && (socket_id >= RTE_MAX_NUMA_NODES)) {
+ rte_errno = EINVAL;
+ return NULL;
+ }
- /* check len */
- if (len != 0 && len > free_memseg[i].len)
- continue;
+ if (!rte_eal_has_hugepages())
+ socket_id = SOCKET_ID_ANY;
- /* check flags for hugepage sizes */
- if ((flags & RTE_MEMZONE_2MB) &&
- free_memseg[i].hugepage_sz == RTE_PGSIZE_1G )
- continue;
- if ((flags & RTE_MEMZONE_1GB) &&
- free_memseg[i].hugepage_sz == RTE_PGSIZE_2M )
- continue;
+ if (len == 0) {
+ if (bound != 0)
+ requested_len = bound;
+ else
+ requested_len = find_heap_max_free_elem(&socket_id, align);
+ }
- /* this segment is the best until now */
- if (memseg_idx == -1) {
- memseg_idx = i;
- memseg_len = free_memseg[i].len;
- }
- /* find the biggest contiguous zone */
- else if (len == 0) {
- if (free_memseg[i].len > memseg_len) {
- memseg_idx = i;
- memseg_len = free_memseg[i].len;
- }
- }
- /*
- * find the smallest (we already checked that current
- * zone length is > len
- */
- else if (free_memseg[i].len < memseg_len) {
- memseg_idx = i;
- memseg_len = free_memseg[i].len;
+ if (socket_id == SOCKET_ID_ANY)
+ socket = malloc_get_numa_socket();
+ else
+ socket = socket_id;
+
+ /* allocate memory on heap */
+ void *mz_addr = malloc_heap_alloc(&mcfg->malloc_heaps[socket], NULL,
+ requested_len, flags, align, bound);
+
+ if ((mz_addr == NULL) && (socket_id == SOCKET_ID_ANY)) {
+ /* try other heaps */
+ for (i = 0; i < RTE_MAX_NUMA_NODES; i++) {
+ if (socket == i)
+ continue;
+
+ mz_addr = malloc_heap_alloc(&mcfg->malloc_heaps[i],
+ NULL, requested_len, flags, align, bound);
+ if (mz_addr != NULL)
+ break;
}
}
- /* no segment found */
- if (memseg_idx == -1) {
- /*
- * If RTE_MEMZONE_SIZE_HINT_ONLY flag is specified,
- * try allocating again without the size parameter otherwise -fail.
- */
- if ((flags & RTE_MEMZONE_SIZE_HINT_ONLY) &&
- ((flags & RTE_MEMZONE_1GB) || (flags & RTE_MEMZONE_2MB)))
- return rte_memzone_reserve_aligned(name, len - align,
- socket_id, 0, align);
-
- RTE_LOG(ERR, EAL, "%s(): No appropriate segment found\n", __func__);
+ if (mz_addr == NULL) {
rte_errno = ENOMEM;
return NULL;
}
- /* get offset needed to adjust alignment */
- addr_offset = (uintptr_t) RTE_PTR_SUB(
- RTE_ALIGN_CEIL(free_memseg[memseg_idx].addr, (uintptr_t) align),
- (uintptr_t) free_memseg[memseg_idx].addr);
+ const struct malloc_elem *elem = malloc_elem_from_data(mz_addr);
- /* save aligned physical and virtual addresses */
- memseg_physaddr = free_memseg[memseg_idx].phys_addr + addr_offset;
- memseg_addr = RTE_PTR_ADD(free_memseg[memseg_idx].addr, addr_offset);
+ /* fill the zone in config */
+ struct rte_memzone *mz = get_next_free_memzone();
- /* if we are looking for a biggest memzone */
- if (requested_len == 0)
- requested_len = memseg_len - addr_offset;
+ if (mz == NULL) {
+ RTE_LOG(ERR, EAL, "%s(): Cannot find free memzone but there is room "
+ "in config!\n", __func__);
+ rte_errno = ENOSPC;
+ return NULL;
+ }
- /* set length to correct value */
- len = addr_offset + requested_len;
+ mcfg->memzone_cnt++;
+ snprintf(mz->name, sizeof(mz->name), "%s", name);
+ mz->phys_addr = rte_malloc_virt2phy(mz_addr);
+ mz->addr = mz_addr;
+ mz->len = (requested_len == 0 ? elem->size : requested_len);
+ mz->hugepage_sz = elem->ms->hugepage_sz;
+ mz->socket_id = elem->ms->socket_id;
+ mz->flags = 0;
+ mz->memseg_id = elem->ms - rte_eal_get_configuration()->mem_config->memseg;
- /* update our internal state */
- free_memseg[memseg_idx].len -= len;
- free_memseg[memseg_idx].phys_addr += len;
- free_memseg[memseg_idx].addr =
- (char *)free_memseg[memseg_idx].addr + len;
+ return mz;
+}
- /* fill the zone in config */
- struct rte_memzone *mz = &config->mem_config->memzone[memzone_idx++];
- rte_snprintf(mz->name, sizeof(mz->name), "%s", name);
- mz->phys_addr = memseg_physaddr;
- mz->addr = memseg_addr;
- mz->len = requested_len;
- mz->hugepage_sz = free_memseg[memseg_idx].hugepage_sz;
- mz->socket_id = free_memseg[memseg_idx].socket_id;
- mz->flags = 0;
+static const struct rte_memzone *
+rte_memzone_reserve_thread_safe(const char *name, size_t len,
+ int socket_id, unsigned flags, unsigned align,
+ unsigned bound)
+{
+ struct rte_mem_config *mcfg;
+ const struct rte_memzone *mz = NULL;
+
+ /* get pointer to global configuration */
+ mcfg = rte_eal_get_configuration()->mem_config;
+
+ rte_rwlock_write_lock(&mcfg->mlock);
+
+ mz = memzone_reserve_aligned_thread_unsafe(
+ name, len, socket_id, flags, align, bound);
+
+ rte_rwlock_write_unlock(&mcfg->mlock);
return mz;
}
/*
- * Lookup for the memzone identified by the given name
+ * Return a pointer to a correctly filled memzone descriptor (with a
+ * specified alignment and boundary). If the allocation cannot be done,
+ * return NULL.
*/
const struct rte_memzone *
-rte_memzone_lookup(const char *name)
+rte_memzone_reserve_bounded(const char *name, size_t len, int socket_id,
+ unsigned flags, unsigned align, unsigned bound)
{
- const struct rte_mem_config *mcfg;
- unsigned i = 0;
+ return rte_memzone_reserve_thread_safe(name, len, socket_id, flags,
+ align, bound);
+}
+
+/*
+ * Return a pointer to a correctly filled memzone descriptor (with a
+ * specified alignment). If the allocation cannot be done, return NULL.
+ */
+const struct rte_memzone *
+rte_memzone_reserve_aligned(const char *name, size_t len, int socket_id,
+ unsigned flags, unsigned align)
+{
+ return rte_memzone_reserve_thread_safe(name, len, socket_id, flags,
+ align, 0);
+}
+
+/*
+ * Return a pointer to a correctly filled memzone descriptor. If the
+ * allocation cannot be done, return NULL.
+ */
+const struct rte_memzone *
+rte_memzone_reserve(const char *name, size_t len, int socket_id,
+ unsigned flags)
+{
+ return rte_memzone_reserve_thread_safe(name, len, socket_id,
+ flags, RTE_CACHE_LINE_SIZE, 0);
+}
+
+int
+rte_memzone_free(const struct rte_memzone *mz)
+{
+ struct rte_mem_config *mcfg;
+ int ret = 0;
+ void *addr;
+ unsigned idx;
+
+ if (mz == NULL)
+ return -EINVAL;
- /* get pointer to global configuration */
mcfg = rte_eal_get_configuration()->mem_config;
+ rte_rwlock_write_lock(&mcfg->mlock);
+
+ idx = ((uintptr_t)mz - (uintptr_t)mcfg->memzone);
+ idx = idx / sizeof(struct rte_memzone);
+
+ addr = mcfg->memzone[idx].addr;
+#ifdef RTE_LIBRTE_IVSHMEM
/*
- * the algorithm is not optimal (linear), but there are few
- * zones and this function should be called at init only
+ * If ioremap_addr is set, it's an IVSHMEM memzone and we cannot
+ * free it.
*/
- for (i = 0; i < RTE_MAX_MEMZONE && mcfg->memzone[i].addr != NULL; i++) {
- if (!strncmp(name, mcfg->memzone[i].name, RTE_MEMZONE_NAMESIZE))
- return &mcfg->memzone[i];
+ if (mcfg->memzone[idx].ioremap_addr != 0)
+ ret = -EINVAL;
+#endif
+ if (addr == NULL)
+ ret = -EINVAL;
+ else if (mcfg->memzone_cnt == 0) {
+ rte_panic("%s(): memzone address not NULL but memzone_cnt is 0!\n",
+ __func__);
+ } else {
+ memset(&mcfg->memzone[idx], 0, sizeof(mcfg->memzone[idx]));
+ mcfg->memzone_cnt--;
}
- return NULL;
+
+ rte_rwlock_write_unlock(&mcfg->mlock);
+
+ rte_free(addr);
+
+ return ret;
+}
+
+/*
+ * Lookup for the memzone identified by the given name
+ */
+const struct rte_memzone *
+rte_memzone_lookup(const char *name)
+{
+ struct rte_mem_config *mcfg;
+ const struct rte_memzone *memzone = NULL;
+
+ mcfg = rte_eal_get_configuration()->mem_config;
+
+ rte_rwlock_read_lock(&mcfg->mlock);
+
+ memzone = memzone_lookup_thread_unsafe(name);
+
+ rte_rwlock_read_unlock(&mcfg->mlock);
+
+ return memzone;
}
/* Dump all reserved memory zones on console */
void
-rte_memzone_dump(void)
+rte_memzone_dump(FILE *f)
{
- const struct rte_mem_config *mcfg;
+ struct rte_mem_config *mcfg;
unsigned i = 0;
/* get pointer to global configuration */
mcfg = rte_eal_get_configuration()->mem_config;
+ rte_rwlock_read_lock(&mcfg->mlock);
/* dump all zones */
for (i=0; i<RTE_MAX_MEMZONE; i++) {
if (mcfg->memzone[i].addr == NULL)
break;
- printf("name:<%s>, phys:0x%"PRIx64", len:0x%"PRIx64""
- ", virt:%p, socket_id:%"PRId32"\n",
+ fprintf(f, "Zone %u: name:<%s>, phys:0x%"PRIx64", len:0x%zx"
+ ", virt:%p, socket_id:%"PRId32", flags:%"PRIx32"\n", i,
mcfg->memzone[i].name,
mcfg->memzone[i].phys_addr,
mcfg->memzone[i].len,
mcfg->memzone[i].addr,
- mcfg->memzone[i].socket_id);
- }
-}
-
-/*
- * called by init: modify the free memseg list to have cache-aligned
- * addresses and cache-aligned lengths
- */
-static int
-memseg_sanitize(struct rte_memseg *memseg)
-{
- unsigned phys_align;
- unsigned virt_align;
- unsigned off;
-
- phys_align = memseg->phys_addr & CACHE_LINE_MASK;
- virt_align = (unsigned long)memseg->addr & CACHE_LINE_MASK;
-
- /*
- * sanity check: phys_addr and addr must have the same
- * alignment
- */
- if (phys_align != virt_align)
- return -1;
-
- /* memseg is really too small, don't bother with it */
- if (memseg->len < (2 * CACHE_LINE_SIZE)) {
- memseg->len = 0;
- return 0;
+ mcfg->memzone[i].socket_id,
+ mcfg->memzone[i].flags);
}
-
- /* align start address */
- off = (CACHE_LINE_SIZE - phys_align) & CACHE_LINE_MASK;
- memseg->phys_addr += off;
- memseg->addr = (char *)memseg->addr + off;
- memseg->len -= off;
-
- /* align end address */
- memseg->len &= ~((uint64_t)CACHE_LINE_MASK);
-
- return 0;
+ rte_rwlock_read_unlock(&mcfg->mlock);
}
/*
int
rte_eal_memzone_init(void)
{
- struct rte_config *config;
+ struct rte_mem_config *mcfg;
const struct rte_memseg *memseg;
- unsigned i = 0;
+
+ /* get pointer to global configuration */
+ mcfg = rte_eal_get_configuration()->mem_config;
/* secondary processes don't need to initialise anything */
if (rte_eal_process_type() == RTE_PROC_SECONDARY)
return 0;
- /* get pointer to global configuration */
- config = rte_eal_get_configuration();
-
memseg = rte_eal_get_physmem_layout();
if (memseg == NULL) {
RTE_LOG(ERR, EAL, "%s(): Cannot get physical layout\n", __func__);
return -1;
}
- /* duplicate the memsegs from config */
- memcpy(free_memseg, memseg, sizeof(free_memseg));
-
- /* make all zones cache-aligned */
- for (i=0; i<RTE_MAX_MEMSEG; i++) {
- if (free_memseg[i].addr == NULL)
- break;
- if (memseg_sanitize(&free_memseg[i]) < 0) {
- RTE_LOG(ERR, EAL, "%s(): Sanity check failed\n", __func__);
- return -1;
- }
- }
+ rte_rwlock_write_lock(&mcfg->mlock);
/* delete all zones */
- memzone_idx = 0;
- memset(config->mem_config->memzone, 0, sizeof(config->mem_config->memzone));
+ mcfg->memzone_cnt = 0;
+ memset(mcfg->memzone, 0, sizeof(mcfg->memzone));
+
+ rte_rwlock_write_unlock(&mcfg->mlock);
- return 0;
+ return rte_eal_malloc_heap_init();
+}
+
+/* Walk all reserved memory zones */
+void rte_memzone_walk(void (*func)(const struct rte_memzone *, void *),
+ void *arg)
+{
+ struct rte_mem_config *mcfg;
+ unsigned i;
+
+ mcfg = rte_eal_get_configuration()->mem_config;
+
+ rte_rwlock_read_lock(&mcfg->mlock);
+ for (i=0; i<RTE_MAX_MEMZONE; i++) {
+ if (mcfg->memzone[i].addr != NULL)
+ (*func)(&mcfg->memzone[i], arg);
+ }
+ rte_rwlock_read_unlock(&mcfg->mlock);
}
git.droids-corp.org / dpdk.git / blobdiff