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| author | xiongxin <xiongxin@kylinos.cn> | 2023-04-07 04:47:59 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-08-01 13:54:00 +0200 |
| commit | 2fa00769b1e4bcf20cf0c967cb45f0cd1cea2b5c (patch) | |
| tree | 24441b291087dcd60efc26eff5aff09278ea5dd2 /drivers/powercap | |
| parent | powercap: arm_scmi: Remove recursion while parsing zones (diff) | |
| download | linux-2fa00769b1e4bcf20cf0c967cb45f0cd1cea2b5c.tar.xz linux-2fa00769b1e4bcf20cf0c967cb45f0cd1cea2b5c.zip | |
powercap: intel_rapl: Optimize rp->domains memory allocation
In the memory allocation of rp->domains in rapl_detect_domains(), there
is an additional memory of struct rapl_domain allocated, optimize the
code here to save sizeof(struct rapl_domain) bytes of memory.
Test in Intel NUC (i5-1135G7).
Signed-off-by: xiongxin <xiongxin@kylinos.cn>
Tested-by: xiongxin <xiongxin@kylinos.cn>
Reviewed-by: Srinivas Pandruvada<srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/powercap')
| -rw-r--r-- | drivers/powercap/intel_rapl_common.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c index 4e646e5e48f6..5e2a1c376a64 100644 --- a/drivers/powercap/intel_rapl_common.c +++ b/drivers/powercap/intel_rapl_common.c @@ -1485,7 +1485,7 @@ static int rapl_detect_domains(struct rapl_package *rp) } pr_debug("found %d domains on %s\n", rp->nr_domains, rp->name); - rp->domains = kcalloc(rp->nr_domains + 1, sizeof(struct rapl_domain), + rp->domains = kcalloc(rp->nr_domains, sizeof(struct rapl_domain), GFP_KERNEL); if (!rp->domains) return -ENOMEM; |