Commit-ID: 82159876d32b7959c0b0ea8fe12c428f41502a6f Gitweb: https://git.kernel.org/tip/82159876d32b7959c0b0ea8fe12c428f41502a6f Author: Andy Shevchenko <andriy.shevche...@linux.intel.com> AuthorDate: Thu, 30 Aug 2018 14:50:39 +0300 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Wed, 3 Oct 2018 21:53:49 +0200
x86/intel_rdt: Switch to bitmap_zalloc() Switch to bitmap_zalloc() to show clearly what is allocated. Besides that it returns a pointer of bitmap type instead of opaque void *. Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Acked-by: Fenghua Yu <fenghua...@intel.com> Cc: "H. Peter Anvin" <h...@zytor.com> Link: https://lkml.kernel.org/r/20180830115039.63430-1-andriy.shevche...@linux.intel.com --- arch/x86/kernel/cpu/intel_rdt.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_rdt.c b/arch/x86/kernel/cpu/intel_rdt.c index abb71ac70443..1214f3f7ec6d 100644 --- a/arch/x86/kernel/cpu/intel_rdt.c +++ b/arch/x86/kernel/cpu/intel_rdt.c @@ -485,9 +485,7 @@ static int domain_setup_mon_state(struct rdt_resource *r, struct rdt_domain *d) size_t tsize; if (is_llc_occupancy_enabled()) { - d->rmid_busy_llc = kcalloc(BITS_TO_LONGS(r->num_rmid), - sizeof(unsigned long), - GFP_KERNEL); + d->rmid_busy_llc = bitmap_zalloc(r->num_rmid, GFP_KERNEL); if (!d->rmid_busy_llc) return -ENOMEM; INIT_DELAYED_WORK(&d->cqm_limbo, cqm_handle_limbo); @@ -496,7 +494,7 @@ static int domain_setup_mon_state(struct rdt_resource *r, struct rdt_domain *d) tsize = sizeof(*d->mbm_total); d->mbm_total = kcalloc(r->num_rmid, tsize, GFP_KERNEL); if (!d->mbm_total) { - kfree(d->rmid_busy_llc); + bitmap_free(d->rmid_busy_llc); return -ENOMEM; } } @@ -504,7 +502,7 @@ static int domain_setup_mon_state(struct rdt_resource *r, struct rdt_domain *d) tsize = sizeof(*d->mbm_local); d->mbm_local = kcalloc(r->num_rmid, tsize, GFP_KERNEL); if (!d->mbm_local) { - kfree(d->rmid_busy_llc); + bitmap_free(d->rmid_busy_llc); kfree(d->mbm_total); return -ENOMEM; } @@ -612,7 +610,7 @@ static void domain_remove_cpu(int cpu, struct rdt_resource *r) kfree(d->ctrl_val); kfree(d->mbps_val); - kfree(d->rmid_busy_llc); + bitmap_free(d->rmid_busy_llc); kfree(d->mbm_total); kfree(d->mbm_local); kfree(d);
