Cleanup code and remove the unused arguments
Signed-off-by: Muhammad Usama Anjum usama.anjum@collabora.com --- tools/testing/selftests/mm/ksm_tests.c | 17 +++++++---------- tools/testing/selftests/mm/soft-dirty.c | 4 ++-- tools/testing/selftests/mm/uffd-common.c | 4 ++-- tools/testing/selftests/mm/uffd-common.h | 2 +- tools/testing/selftests/mm/uffd-stress.c | 2 +- tools/testing/selftests/mm/uffd-unit-tests.c | 8 ++++---- 6 files changed, 17 insertions(+), 20 deletions(-)
diff --git a/tools/testing/selftests/mm/ksm_tests.c b/tools/testing/selftests/mm/ksm_tests.c index b77462b5c240b..f5dabb513ed7f 100644 --- a/tools/testing/selftests/mm/ksm_tests.c +++ b/tools/testing/selftests/mm/ksm_tests.c @@ -238,8 +238,7 @@ static int ksm_merge_pages(int merge_type, void *addr, size_t size, return 0; }
-static int ksm_unmerge_pages(void *addr, size_t size, - struct timespec start_time, int timeout) +static int ksm_unmerge_pages(void *addr, size_t size) { if (madvise(addr, size, MADV_UNMERGEABLE)) { perror("madvise"); @@ -456,7 +455,7 @@ static int get_first_mem_node(void) return get_next_mem_node(numa_max_node()); }
-static int check_ksm_numa_merge(int merge_type, int mapping, int prot, int timeout, +static int check_ksm_numa_merge(int merge_type, int timeout, bool merge_across_nodes, size_t page_size) { void *numa1_map_ptr, *numa2_map_ptr; @@ -520,8 +519,7 @@ static int check_ksm_numa_merge(int merge_type, int mapping, int prot, int timeo return KSFT_FAIL; }
-static int ksm_merge_hugepages_time(int merge_type, int mapping, int prot, - int timeout, size_t map_size) +static int ksm_merge_hugepages_time(int merge_type, int timeout, size_t map_size) { void *map_ptr, *map_ptr_orig; struct timespec start_time, end_time; @@ -656,7 +654,7 @@ static int ksm_unmerge_time(int merge_type, int mapping, int prot, int timeout, perror("clock_gettime"); goto err_out; } - if (ksm_unmerge_pages(map_ptr, map_size, start_time, timeout)) + if (ksm_unmerge_pages(map_ptr, map_size)) goto err_out; if (clock_gettime(CLOCK_MONOTONIC_RAW, &end_time)) { perror("clock_gettime"); @@ -884,8 +882,8 @@ int main(int argc, char *argv[]) page_size); break; case CHECK_KSM_NUMA_MERGE: - ret = check_ksm_numa_merge(merge_type, MAP_PRIVATE | MAP_ANONYMOUS, prot, - ksm_scan_limit_sec, merge_across_nodes, page_size); + ret = check_ksm_numa_merge(merge_type, ksm_scan_limit_sec, merge_across_nodes, + page_size); break; case KSM_MERGE_TIME: if (size_MB == 0) { @@ -900,8 +898,7 @@ int main(int argc, char *argv[]) printf("Option '-s' is required.\n"); return KSFT_FAIL; } - ret = ksm_merge_hugepages_time(merge_type, MAP_PRIVATE | MAP_ANONYMOUS, prot, - ksm_scan_limit_sec, size_MB); + ret = ksm_merge_hugepages_time(merge_type, ksm_scan_limit_sec, size_MB); break; case KSM_UNMERGE_TIME: if (size_MB == 0) { diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c index e62be4136f69e..751fbc52857ea 100644 --- a/tools/testing/selftests/mm/soft-dirty.c +++ b/tools/testing/selftests/mm/soft-dirty.c @@ -76,7 +76,7 @@ static void test_vma_reuse(int pagemap_fd, int pagesize) munmap(map2, pagesize); }
-static void test_hugepage(int pagemap_fd, int pagesize) +static void test_hugepage(int pagemap_fd) { char *map; int i, ret; @@ -210,7 +210,7 @@ int main(void)
test_simple(pagemap_fd, pagesize); test_vma_reuse(pagemap_fd, pagesize); - test_hugepage(pagemap_fd, pagesize); + test_hugepage(pagemap_fd); test_mprotect_anon(pagemap_fd, pagesize); test_mprotect_file(pagemap_fd, pagesize);
diff --git a/tools/testing/selftests/mm/uffd-common.c b/tools/testing/selftests/mm/uffd-common.c index a37088a23ffef..815c22114b57e 100644 --- a/tools/testing/selftests/mm/uffd-common.c +++ b/tools/testing/selftests/mm/uffd-common.c @@ -416,7 +416,7 @@ static void continue_range(int ufd, __u64 start, __u64 len, bool wp) ret, (int64_t) req.mapped); }
-int uffd_read_msg(int ufd, struct uffd_msg *msg) +int uffd_read_msg(struct uffd_msg *msg) { int ret = read(uffd, msg, sizeof(*msg));
@@ -537,7 +537,7 @@ void *uffd_poll_thread(void *arg) } if (!(pollfd[0].revents & POLLIN)) err("pollfd[0].revents %d", pollfd[0].revents); - if (uffd_read_msg(uffd, &msg)) + if (uffd_read_msg(&msg)) continue; switch (msg.event) { default: diff --git a/tools/testing/selftests/mm/uffd-common.h b/tools/testing/selftests/mm/uffd-common.h index 7700cbfa39756..2e7066d69103d 100644 --- a/tools/testing/selftests/mm/uffd-common.h +++ b/tools/testing/selftests/mm/uffd-common.h @@ -117,7 +117,7 @@ void uffd_stats_report(struct uffd_args *args, int n_cpus); int uffd_test_ctx_init(uint64_t features, const char **errmsg); void uffd_test_ctx_clear(void); int userfaultfd_open(uint64_t *features); -int uffd_read_msg(int ufd, struct uffd_msg *msg); +int uffd_read_msg(struct uffd_msg *msg); void wp_range(int ufd, __u64 start, __u64 len, bool wp); void uffd_handle_page_fault(struct uffd_msg *msg, struct uffd_args *args); int __copy_page(int ufd, unsigned long offset, bool retry, bool wp); diff --git a/tools/testing/selftests/mm/uffd-stress.c b/tools/testing/selftests/mm/uffd-stress.c index c0f64df5085c4..24aac0ae96c6c 100644 --- a/tools/testing/selftests/mm/uffd-stress.c +++ b/tools/testing/selftests/mm/uffd-stress.c @@ -137,7 +137,7 @@ static void *uffd_read_thread(void *arg) /* from here cancellation is ok */
for (;;) { - if (uffd_read_msg(uffd, &msg)) + if (uffd_read_msg(&msg)) continue; uffd_handle_page_fault(&msg, args); } diff --git a/tools/testing/selftests/mm/uffd-unit-tests.c b/tools/testing/selftests/mm/uffd-unit-tests.c index 50501b38e34e7..df7b82bbebaad 100644 --- a/tools/testing/selftests/mm/uffd-unit-tests.c +++ b/tools/testing/selftests/mm/uffd-unit-tests.c @@ -248,7 +248,7 @@ static void *fork_event_consumer(void *data) ready_for_fork = true;
/* Read until a full msg received */ - while (uffd_read_msg(args->parent_uffd, &msg)); + while (uffd_read_msg(&msg));
if (msg.event != UFFD_EVENT_FORK) err("wrong message: %u\n", msg.event); @@ -1352,11 +1352,11 @@ static void *uffd_mmap_changing_thread(void *opaque) return NULL; }
-static void uffd_consume_message(int fd) +static void uffd_consume_message(void) { struct uffd_msg msg = { 0 };
- while (uffd_read_msg(fd, &msg)); + while (uffd_read_msg(&msg)); }
static void uffd_mmap_changing_test(uffd_test_args_t *targs) @@ -1407,7 +1407,7 @@ static void uffd_mmap_changing_test(uffd_test_args_t *targs) * All succeeded above! Recycle everything. Start by reading the * event so as to kick the thread roll again.. */ - uffd_consume_message(uffd); + uffd_consume_message();
ret = pthread_join(tid, NULL); assert(ret == 0);