diff mbox series

[v4,5/8] memseg: init once

Message ID 20230815145023.1386003-6-okaya@kernel.org (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series support reinit flow |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Sinan Kaya Aug. 15, 2023, 2:50 p.m. UTC 
  From: Sinan Kaya <okaya@kernel.org>

Initialize memory segments just once and bail out if called
multiple times.

Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
 lib/eal/linux/eal_memory.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/lib/eal/linux/eal_memory.c b/lib/eal/linux/eal_memory.c
index 9b6f08fba8..df0aa9ccc7 100644
--- a/lib/eal/linux/eal_memory.c
+++ b/lib/eal/linux/eal_memory.c
@@ -57,6 +57,7 @@ 
  */
 
 static int phys_addrs_available = -1;
+static bool memseg_initialized;
 
 #define RANDOMIZE_VA_SPACE_FILE "/proc/sys/kernel/randomize_va_space"
 
@@ -1920,6 +1921,10 @@  rte_eal_memseg_init(void)
 {
 	/* increase rlimit to maximum */
 	struct rlimit lim;
+	int ret;
+
+	if (memseg_initialized)
+		return 0;
 
 #ifndef RTE_EAL_NUMA_AWARE_HUGEPAGES
 	const struct internal_config *internal_conf =
@@ -1948,11 +1953,16 @@  rte_eal_memseg_init(void)
 	}
 #endif
 
-	return rte_eal_process_type() == RTE_PROC_PRIMARY ?
+	ret = rte_eal_process_type() == RTE_PROC_PRIMARY ?
 #ifndef RTE_ARCH_64
 			memseg_primary_init_32() :
 #else
 			memseg_primary_init() :
 #endif
 			memseg_secondary_init();
+
+	if (!ret)
+		memseg_initialized = true;
+
+	return ret;
 }