- *
- * 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
- * * 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
- * * 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
- *
- * 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
+ const char *nr_rsvd_file = "resv_hugepages";
+
+ /* first, check how many reserved pages kernel reports */
+ rte_snprintf(path, sizeof(path), "%s/%s/%s",
+ sys_dir_path, subdir, nr_rsvd_file);
+
+ if (eal_parse_sysfs_value(path, &resv_pages) < 0)
+ return 0;
/* if secondary process, just look at the number of hugepages,
* otherwise look at number of free hugepages */
/* if secondary process, just look at the number of hugepages,
* otherwise look at number of free hugepages */
rte_snprintf(path, sizeof(path), "%s/%s/%s",
sys_dir_path, subdir, nr_hp_file);
rte_snprintf(path, sizeof(path), "%s/%s/%s",
sys_dir_path, subdir, nr_hp_file);
- RTE_LOG(ERR, EAL, "Error - no free hugepages available!\n");
+ RTE_LOG(WARNING, EAL, "No free hugepages reported in %s\n",
+ subdir);
+
+ /* adjust num_pages in case of primary process */
+ if (num_pages > 0 && internal_config.process_type == RTE_PROC_PRIMARY)
+ num_pages -= resv_pages;
/* first, check if we have a mountpoint */
if (hpi->hugedir == NULL){
/* first, check if we have a mountpoint */
if (hpi->hugedir == NULL){
- RTE_LOG(INFO, EAL, "%u hugepages of size %llu reserved, "\
- "but no mounted hugetlbfs found for that size\n",
- (unsigned) get_num_hugepages(dirent->d_name),
- (unsigned long long)hpi->hugepage_sz);
+ int32_t num_pages;
+ if ((num_pages = get_num_hugepages(dirent->d_name)) > 0)
+ RTE_LOG(INFO, EAL, "%u hugepages of size %llu reserved, "\
+ "but no mounted hugetlbfs found for that size\n",
+ (unsigned)num_pages,
+ (unsigned long long)hpi->hugepage_sz);
} else {
/* try to obtain a writelock */
hpi->lock_descriptor = open(hpi->hugedir, O_RDONLY);
} else {
/* try to obtain a writelock */
hpi->lock_descriptor = open(hpi->hugedir, O_RDONLY);