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Message-ID: <20221102232737.1351745-5-vipinsh@google.com>
Date: Wed, 2 Nov 2022 16:27:34 -0700
From: Vipin Sharma <vipinsh@...gle.com>
To: seanjc@...gle.com, pbonzini@...hat.com, dmatlack@...gle.com
Cc: andrew.jones@...ux.dev, wei.w.wang@...el.com, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org, Vipin Sharma <vipinsh@...gle.com>
Subject: [PATCH v8 4/7] KVM: selftests: Use SZ_1G from sizes.h in max_guest_memory_test.c
Replace size_1gb defined in max_guest_memory_test.c with the SZ_1G from
linux/sizes.h header file.
Signed-off-by: Vipin Sharma <vipinsh@...gle.com>
---
.../selftests/kvm/max_guest_memory_test.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/tools/testing/selftests/kvm/max_guest_memory_test.c b/tools/testing/selftests/kvm/max_guest_memory_test.c
index 1595b73dc09a..8056dc5831b5 100644
--- a/tools/testing/selftests/kvm/max_guest_memory_test.c
+++ b/tools/testing/selftests/kvm/max_guest_memory_test.c
@@ -11,6 +11,7 @@
#include <linux/bitmap.h>
#include <linux/bitops.h>
#include <linux/atomic.h>
+#include <linux/sizes.h>
#include "kvm_util.h"
#include "test_util.h"
@@ -162,8 +163,7 @@ int main(int argc, char *argv[])
* just below the 4gb boundary. This test could create memory at
* 1gb-3gb,but it's simpler to skip straight to 4gb.
*/
- const uint64_t size_1gb = (1 << 30);
- const uint64_t start_gpa = (4ull * size_1gb);
+ const uint64_t start_gpa = SZ_4G;
const int first_slot = 1;
struct timespec time_start, time_run1, time_reset, time_run2;
@@ -180,13 +180,13 @@ int main(int argc, char *argv[])
* are quite common for x86, requires changing only max_mem (KVM allows
* 32k memslots, 32k * 2gb == ~64tb of guest memory).
*/
- slot_size = 2 * size_1gb;
+ slot_size = SZ_2G;
max_slots = kvm_check_cap(KVM_CAP_NR_MEMSLOTS);
TEST_ASSERT(max_slots > first_slot, "KVM is broken");
/* All KVM MMUs should be able to survive a 128gb guest. */
- max_mem = 128 * size_1gb;
+ max_mem = 128ull * SZ_1G;
calc_default_nr_vcpus();
@@ -197,11 +197,11 @@ int main(int argc, char *argv[])
TEST_ASSERT(nr_vcpus > 0, "number of vcpus must be >0");
break;
case 'm':
- max_mem = atoi_paranoid(optarg) * size_1gb;
+ max_mem = 1ull * atoi_paranoid(optarg) * SZ_1G;
TEST_ASSERT(max_mem > 0, "memory size must be >0");
break;
case 's':
- slot_size = atoi_paranoid(optarg) * size_1gb;
+ slot_size = 1ull * atoi_paranoid(optarg) * SZ_1G;
TEST_ASSERT(slot_size > 0, "slot size must be >0");
break;
case 'H':
@@ -245,7 +245,7 @@ int main(int argc, char *argv[])
#ifdef __x86_64__
/* Identity map memory in the guest using 1gb pages. */
- for (i = 0; i < slot_size; i += size_1gb)
+ for (i = 0; i < slot_size; i += SZ_1G)
__virt_pg_map(vm, gpa + i, gpa + i, PG_LEVEL_1G);
#else
for (i = 0; i < slot_size; i += vm->page_size)
@@ -260,7 +260,7 @@ int main(int argc, char *argv[])
vcpus = NULL;
pr_info("Running with %lugb of guest memory and %u vCPUs\n",
- (gpa - start_gpa) / size_1gb, nr_vcpus);
+ (gpa - start_gpa) / SZ_1G, nr_vcpus);
rendezvous_with_vcpus(&time_start, "spawning");
rendezvous_with_vcpus(&time_run1, "run 1");
--
2.38.1.273.g43a17bfeac-goog
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