The config option to turn off huge table support does not work with
the existing -m option to specify the amount of memory to use. Add
a new option --no-huge-mem-size <mem in MB> that takes a paramater
to use as the heap size instead of the value specified by
MEMSIZE_IF_NO_HUGE_PAGE.
Signed-off-by: Paul Atkins <patkins at brocade.com>
---
lib/librte_eal/common/eal_common_options.c | 7 +++++++
lib/librte_eal/common/eal_internal_cfg.h | 1 +
lib/librte_eal/common/eal_options.h | 2 ++
lib/librte_eal/linuxapp/eal/eal.c | 6 +++++-
4 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eal/common/eal_common_options.c
b/lib/librte_eal/common/eal_common_options.c
index 8fcb1ab..8b1f9f0 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -79,6 +79,7 @@ eal_long_options[] = {
{OPT_MASTER_LCORE, 1, NULL, OPT_MASTER_LCORE_NUM },
{OPT_NO_HPET, 0, NULL, OPT_NO_HPET_NUM },
{OPT_NO_HUGE, 0, NULL, OPT_NO_HUGE_NUM },
+ {OPT_NO_HUGE_MEM_SIZE, 1, NULL, OPT_NO_HUGE_MEM_SIZE_NUM },
{OPT_NO_PCI, 0, NULL, OPT_NO_PCI_NUM },
{OPT_NO_SHCONF, 0, NULL, OPT_NO_SHCONF_NUM },
{OPT_PCI_BLACKLIST, 1, NULL, OPT_PCI_BLACKLIST_NUM },
@@ -722,6 +723,11 @@ eal_parse_common_option(int opt, const char *optarg,
conf->no_hugetlbfs = 1;
break;
+ case OPT_NO_HUGE_MEM_SIZE_NUM:
+ conf->no_hugetlbfs_mem_size = atoi(optarg);
+ conf->no_hugetlbfs_mem_size *= 1024ULL * 1024ULL;
+ break;
+
case OPT_NO_PCI_NUM:
conf->no_pci = 1;
break;
@@ -907,6 +913,7 @@ eal_common_usage(void)
" -h, --help This help\n"
"\nEAL options for DEBUG use only:\n"
" --"OPT_NO_HUGE" Use malloc instead of hugetlbfs\n"
+ " --"OPT_NO_HUGE_MEM_SIZE" Heap size when no hugetblfs\n"
" --"OPT_NO_PCI" Disable PCI\n"
" --"OPT_NO_HPET" Disable HPET\n"
" --"OPT_NO_SHCONF" No shared config (mmap'd files)\n"
diff --git a/lib/librte_eal/common/eal_internal_cfg.h
b/lib/librte_eal/common/eal_internal_cfg.h
index e2ecb0d..f1a2a7d 100644
--- a/lib/librte_eal/common/eal_internal_cfg.h
+++ b/lib/librte_eal/common/eal_internal_cfg.h
@@ -64,6 +64,7 @@ struct internal_config {
volatile unsigned force_nchannel; /**< force number of channels */
volatile unsigned force_nrank; /**< force number of ranks */
volatile unsigned no_hugetlbfs; /**< true to disable hugetlbfs */
+ volatile unsigned no_hugetlbfs_mem_size; /**< mem size without
hugetlbfs */
volatile unsigned xen_dom0_support; /**< support app running on Xen
Dom0*/
volatile unsigned no_pci; /**< true to disable PCI */
volatile unsigned no_hpet; /**< true to disable HPET */
diff --git a/lib/librte_eal/common/eal_options.h
b/lib/librte_eal/common/eal_options.h
index f6714d9..39a0b94 100644
--- a/lib/librte_eal/common/eal_options.h
+++ b/lib/librte_eal/common/eal_options.h
@@ -65,6 +65,8 @@ enum {
OPT_NO_HPET_NUM,
#define OPT_NO_HUGE "no-huge"
OPT_NO_HUGE_NUM,
+#define OPT_NO_HUGE_MEM_SIZE "no-huge-mem-size"
+ OPT_NO_HUGE_MEM_SIZE_NUM,
#define OPT_NO_PCI "no-pci"
OPT_NO_PCI_NUM,
#define OPT_NO_SHCONF "no-shconf"
diff --git a/lib/librte_eal/linuxapp/eal/eal.c
b/lib/librte_eal/linuxapp/eal/eal.c
index bd770cf..3528a0e 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -735,7 +735,11 @@ rte_eal_init(int argc, char **argv)
if (internal_config.memory == 0 && internal_config.force_sockets == 0) {
if (internal_config.no_hugetlbfs)
- internal_config.memory = MEMSIZE_IF_NO_HUGE_PAGE;
+ if (internal_config.no_hugetlbfs_mem_size)
+ internal_config.memory =
+ internal_config.no_hugetlbfs_mem_size;
+ else
+ internal_config.memory =
MEMSIZE_IF_NO_HUGE_PAGE;
else
internal_config.memory = eal_get_hugepage_mem_size();
}
--
1.7.10.4
