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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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189f164e57
Conversion performed via this Coccinelle script:
// SPDX-License-Identifier: GPL-2.0-only
// Options: --include-headers-for-types --all-includes --include-headers --keep-comments
virtual patch
@gfp depends on patch && !(file in "tools") && !(file in "samples")@
identifier ALLOC = {kmalloc_obj,kmalloc_objs,kmalloc_flex,
kzalloc_obj,kzalloc_objs,kzalloc_flex,
kvmalloc_obj,kvmalloc_objs,kvmalloc_flex,
kvzalloc_obj,kvzalloc_objs,kvzalloc_flex};
@@
ALLOC(...
- , GFP_KERNEL
)
$ make coccicheck MODE=patch COCCI=gfp.cocci
Build and boot tested x86_64 with Fedora 42's GCC and Clang:
Linux version 6.19.0+ (user@host) (gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7), GNU ld version 2.44-12.fc42) #1 SMP PREEMPT_DYNAMIC 1970-01-01
Linux version 6.19.0+ (user@host) (clang version 20.1.8 (Fedora 20.1.8-4.fc42), LLD 20.1.8) #1 SMP PREEMPT_DYNAMIC 1970-01-01
Signed-off-by: Kees Cook <kees@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Data Access Monitor Unit Tests
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*
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* Author: SeongJae Park <sj@kernel.org>
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*/
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#ifdef CONFIG_DAMON_SYSFS_KUNIT_TEST
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#ifndef _DAMON_SYSFS_TEST_H
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#define _DAMON_SYSFS_TEST_H
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#include <kunit/test.h>
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static unsigned int nr_damon_targets(struct damon_ctx *ctx)
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{
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struct damon_target *t;
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unsigned int nr_targets = 0;
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damon_for_each_target(t, ctx)
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nr_targets++;
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return nr_targets;
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}
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static int __damon_sysfs_test_get_any_pid(int min, int max)
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{
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struct pid *pid;
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int i;
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for (i = min; i <= max; i++) {
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pid = find_get_pid(i);
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if (pid) {
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put_pid(pid);
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return i;
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}
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}
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return -1;
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}
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static void damon_sysfs_test_add_targets(struct kunit *test)
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{
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struct damon_sysfs_targets *sysfs_targets;
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struct damon_sysfs_target *sysfs_target;
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struct damon_ctx *ctx;
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sysfs_targets = damon_sysfs_targets_alloc();
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if (!sysfs_targets)
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kunit_skip(test, "sysfs_targets alloc fail");
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sysfs_targets->nr = 1;
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sysfs_targets->targets_arr = kmalloc_objs(*sysfs_targets->targets_arr,
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1);
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if (!sysfs_targets->targets_arr) {
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kfree(sysfs_targets);
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kunit_skip(test, "targets_arr alloc fail");
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}
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sysfs_target = damon_sysfs_target_alloc();
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if (!sysfs_target) {
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kfree(sysfs_targets->targets_arr);
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kfree(sysfs_targets);
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kunit_skip(test, "sysfs_target alloc fail");
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}
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sysfs_target->pid = __damon_sysfs_test_get_any_pid(12, 100);
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sysfs_target->regions = damon_sysfs_regions_alloc();
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if (!sysfs_target->regions) {
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kfree(sysfs_targets->targets_arr);
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kfree(sysfs_targets);
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kfree(sysfs_target);
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kunit_skip(test, "sysfs_regions alloc fail");
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}
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sysfs_targets->targets_arr[0] = sysfs_target;
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ctx = damon_new_ctx();
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if (!ctx) {
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kfree(sysfs_targets->targets_arr);
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kfree(sysfs_targets);
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kfree(sysfs_target->regions);
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kfree(sysfs_target);
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kunit_skip(test, "ctx alloc fail");
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}
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damon_sysfs_add_targets(ctx, sysfs_targets);
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KUNIT_EXPECT_EQ(test, 1u, nr_damon_targets(ctx));
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sysfs_target->pid = __damon_sysfs_test_get_any_pid(
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sysfs_target->pid + 1, 200);
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damon_sysfs_add_targets(ctx, sysfs_targets);
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KUNIT_EXPECT_EQ(test, 2u, nr_damon_targets(ctx));
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damon_destroy_ctx(ctx);
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kfree(sysfs_targets->targets_arr);
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kfree(sysfs_targets);
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kfree(sysfs_target->regions);
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kfree(sysfs_target);
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}
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static struct kunit_case damon_sysfs_test_cases[] = {
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KUNIT_CASE(damon_sysfs_test_add_targets),
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{},
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};
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static struct kunit_suite damon_sysfs_test_suite = {
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.name = "damon-sysfs",
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.test_cases = damon_sysfs_test_cases,
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};
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kunit_test_suite(damon_sysfs_test_suite);
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#endif /* _DAMON_SYSFS_TEST_H */
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#endif /* CONFIG_DAMON_SYSFS_KUNIT_TEST */
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