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-rw-r--r--src/vppinfra/linux/mem.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/src/vppinfra/linux/mem.c b/src/vppinfra/linux/mem.c
index 4365281ce8c..734f5c4788c 100644
--- a/src/vppinfra/linux/mem.c
+++ b/src/vppinfra/linux/mem.c
@@ -28,9 +28,9 @@
#include <vppinfra/mem.h>
#include <vppinfra/lock.h>
#include <vppinfra/time.h>
+#include <vppinfra/bitmap.h>
#include <vppinfra/format.h>
#include <vppinfra/clib_error.h>
-#include <vppinfra/linux/sysfs.h>
#ifndef F_LINUX_SPECIFIC_BASE
#define F_LINUX_SPECIFIC_BASE 1024
@@ -99,9 +99,10 @@ legacy_get_log2_default_hugepage_size (void)
}
void
-clib_mem_main_init ()
+clib_mem_main_init (void)
{
clib_mem_main_t *mm = &clib_mem_main;
+ long sysconf_page_size;
uword page_size;
void *va;
int fd;
@@ -110,7 +111,12 @@ clib_mem_main_init ()
return;
/* system page size */
- page_size = sysconf (_SC_PAGESIZE);
+ sysconf_page_size = sysconf (_SC_PAGESIZE);
+ if (sysconf_page_size < 0)
+ {
+ clib_panic ("Could not determine the page size");
+ }
+ page_size = sysconf_page_size;
mm->log2_page_sz = min_log2 (page_size);
/* default system hugeppage size */
@@ -608,8 +614,8 @@ __clib_export int
clib_mem_set_numa_affinity (u8 numa_node, int force)
{
clib_mem_main_t *mm = &clib_mem_main;
- long unsigned int mask[16] = { 0 };
- int mask_len = sizeof (mask) * 8 + 1;
+ clib_bitmap_t *bmp = 0;
+ int rv;
/* no numa support */
if (mm->numa_node_bitmap == 0)
@@ -625,19 +631,21 @@ clib_mem_set_numa_affinity (u8 numa_node, int force)
return 0;
}
- mask[0] = 1 << numa_node;
+ bmp = clib_bitmap_set (bmp, numa_node, 1);
- if (syscall (__NR_set_mempolicy, force ? MPOL_BIND : MPOL_PREFERRED, mask,
- mask_len))
- goto error;
+ rv = syscall (__NR_set_mempolicy, force ? MPOL_BIND : MPOL_PREFERRED, bmp,
+ vec_len (bmp) * sizeof (bmp[0]) * 8 + 1);
+ clib_bitmap_free (bmp);
vec_reset_length (mm->error);
- return 0;
-error:
- vec_reset_length (mm->error);
- mm->error = clib_error_return_unix (mm->error, (char *) __func__);
- return CLIB_MEM_ERROR;
+ if (rv)
+ {
+ mm->error = clib_error_return_unix (mm->error, (char *) __func__);
+ return CLIB_MEM_ERROR;
+ }
+
+ return 0;
}
__clib_export int