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selftests/resctrl: Remove unnecessary startptr global from fill_buf 

fill_buf stores buffer pointer into global variable startptr that is
only used in fill_cache().

Remove startptr as global variable, the local variable in fill_cache()
is enough to keep the pointer.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Tested-by: Shaopeng Tan (Fujitsu) <tan.shaopeng@fujitsu.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2023-07-17 16:15:01 +03:00 committed by Shuah Khan
parent 326baed260
commit 5e3e4f1a03
1 changed files with 1 additions and 4 deletions
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5
tools/testing/selftests/resctrl/fill_buf.c
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@ -22,8 +22,6 @@
#define PAGE_SIZE (4 * 1024)
#define MB (1024 * 1024)
static unsigned char *startptr;
static void sb(void)
{
#if defined(__i386) || defined(__x86_64)
@ -147,7 +145,6 @@ static int fill_cache(size_t buf_size, int memflush, int op, char *resctrl_val)
if (!start_ptr)
return -1;
startptr = start_ptr;
end_ptr = start_ptr + buf_size;
/* Flush the memory before using to avoid "cache hot pages" effect */
@ -159,7 +156,7 @@ static int fill_cache(size_t buf_size, int memflush, int op, char *resctrl_val)
else
ret = fill_cache_write(start_ptr, end_ptr, resctrl_val);
free(startptr);
free(start_ptr);
if (ret) {
printf("\n Error in fill cache read/write...\n");