92 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /*
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|  * Copyright (c) 2020 Petr Vorel <pvorel@suse.cz>
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|  * Copyright (c) Linux Test Project, 2009-2020
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|  * Copyright (c) Crackerjack Project, 2007-2008, Hitachi, Ltd
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|  *
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|  * Authors:
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|  * Takahiro Yasui <takahiro.yasui.mp@hitachi.com>
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|  * Yumiko Sugita <yumiko.sugita.yf@hitachi.com>
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|  * Satoshi Fujiwara <sa-fuji@sdl.hitachi.co.jp>
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|  * Manas Kumar Nayak <maknayak@in.ibm.com> (original port to the legacy API)
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|  */
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| 
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| /*\
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|  * [Description]
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|  *
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|  * Verify that get_mempolicy() returns a proper return errno for failure cases.
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|  */
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| 
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| #include "config.h"
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| #include "tst_test.h"
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| 
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| #ifdef HAVE_NUMA_V2
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| #include <numa.h>
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| #include <numaif.h>
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| #include <errno.h>
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| #include "tst_numa.h"
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| 
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| #define PAGES_ALLOCATED 16u
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| 
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| #define POLICY_DESC_TEXT(x, y) .policy = x, .desc = "policy: "#x", "y
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| 
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| static struct tst_nodemap *node;
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| static struct bitmask *nodemask;
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| 
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| struct test_case {
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| 	int policy;
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| 	const char *desc;
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| 	unsigned int flags;
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| 	int err;
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| 	char *addr;
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| };
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| 
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| static struct test_case tcase[] = {
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| 	{
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| 		POLICY_DESC_TEXT(MPOL_DEFAULT, "invalid address"),
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| 		.addr = NULL,
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| 		.err = EFAULT,
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| 		.flags = MPOL_F_ADDR,
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| 	},
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| 	{
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| 		POLICY_DESC_TEXT(MPOL_DEFAULT, "invalid flags, no target"),
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| 		.err = EINVAL,
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| 		.flags = -1,
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| 	},
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| };
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| 
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| static void setup(void)
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| {
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| 	node = tst_get_nodemap(TST_NUMA_MEM, PAGES_ALLOCATED * getpagesize() / 1024);
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| 	if (node->cnt < 1)
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| 		tst_brk(TCONF, "test requires at least one NUMA memory node");
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| 
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| 	nodemask = numa_allocate_nodemask();
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| }
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| 
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| static void cleanup(void)
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| {
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| 	numa_free_nodemask(nodemask);
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| 	tst_nodemap_free(node);
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| }
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| 
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| static void do_test(unsigned int i)
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| {
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| 	struct test_case *tc = &tcase[i];
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| 	int policy;
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| 
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| 	TST_EXP_FAIL(get_mempolicy(&policy, nodemask->maskp, nodemask->size,
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| 				   tc->addr, tc->flags), tc->err, "%s", tc->desc);
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| }
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| 
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| static struct tst_test test = {
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| 	.tcnt = ARRAY_SIZE(tcase),
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| 	.test = do_test,
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| 	.setup = setup,
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| 	.cleanup = cleanup,
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| };
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| 
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| #else
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| TST_TEST_TCONF(NUMA_ERROR_MSG);
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| #endif /* HAVE_NUMA_V2 */
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