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vppinfra: autodetect default hugepage size
[vpp.git]
/
src
/
vppinfra
/
linux
/
sysfs.c
diff --git
a/src/vppinfra/linux/sysfs.c
b/src/vppinfra/linux/sysfs.c
index
199e6bb
..
c45897f
100644
(file)
--- a/
src/vppinfra/linux/sysfs.c
+++ b/
src/vppinfra/linux/sysfs.c
@@
-22,8
+22,6
@@
#include <fcntl.h>
#include <dirent.h>
#include <fcntl.h>
#include <dirent.h>
-#define DEFAULT_HUGETLB_SIZE 2048
-
clib_error_t *
clib_sysfs_write (char *file_name, char *fmt, ...)
{
clib_error_t *
clib_sysfs_write (char *file_name, char *fmt, ...)
{
@@
-121,8
+119,12
@@
clib_sysfs_set_nr_hugepages (int numa_node, int log2_page_size, int nr)
clib_error_t *error = 0;
struct stat sb;
u8 *p = 0;
clib_error_t *error = 0;
struct stat sb;
u8 *p = 0;
- int page_size = log2_page_size ? 1ULL << (log2_page_size - 10) :
- DEFAULT_HUGETLB_SIZE;
+ uword page_size;
+
+ if (log2_page_size == 0)
+ log2_page_size = min_log2 (clib_mem_get_default_hugepage_size ());
+
+ page_size = 1ULL << (log2_page_size - 10);
p = format (p, "/sys/devices/system/node/node%u%c", numa_node, 0);
p = format (p, "/sys/devices/system/node/node%u%c", numa_node, 0);
@@
-168,8
+170,14
@@
clib_sysfs_get_xxx_hugepages (char *type, int numa_node,
clib_error_t *error = 0;
struct stat sb;
u8 *p = 0;
clib_error_t *error = 0;
struct stat sb;
u8 *p = 0;
- int page_size = log2_page_size ? 1ULL << (log2_page_size - 10) :
- DEFAULT_HUGETLB_SIZE;
+
+ uword page_size;
+
+ if (log2_page_size == 0)
+ log2_page_size = min_log2 (clib_mem_get_default_hugepage_size ());
+
+ page_size = 1ULL << (log2_page_size - 10);
+
p = format (p, "/sys/devices/system/node/node%u%c", numa_node, 0);
p = format (p, "/sys/devices/system/node/node%u%c", numa_node, 0);
@@
-232,8
+240,13
@@
clib_sysfs_prealloc_hugepages (int numa_node, int log2_page_size, int nr)
{
clib_error_t *error = 0;
int n, needed;
{
clib_error_t *error = 0;
int n, needed;
- int page_size = log2_page_size ? 1ULL << (log2_page_size - 10) :
- DEFAULT_HUGETLB_SIZE;
+ uword page_size;
+
+ if (log2_page_size == 0)
+ log2_page_size = min_log2 (clib_mem_get_default_hugepage_size ());
+
+ page_size = 1ULL << (log2_page_size - 10);
+
error = clib_sysfs_get_free_hugepages (numa_node, log2_page_size, &n);
if (error)
return error;
error = clib_sysfs_get_free_hugepages (numa_node, log2_page_size, &n);
if (error)
return error;