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selftests/mm: hugetlb-shm: use kselftest framework

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Convert hugetlb-shm test to use kselftest framework for reporting and
tracking successful and failing runs.

Link: https://lore.kernel.org/20260511162840.375890-9-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Donet Tom <donettom@linux.ibm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Tested-by: Sarthak Sharma <sarthak.sharma@arm.com>
Tested-by: Luiz Capitulino <luizcap@redhat.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Liam Howlett <liam@infradead.org>
Cc: Li Wang <li.wang@linux.dev>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nico Pache <npache@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Mike Rapoport (Microsoft) 2026-05-11 19:27:52 +03:00 committed by Andrew Morton
parent a93cbee527
commit f62c93fa8b
1 changed files with 24 additions and 27 deletions
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51
tools/testing/selftests/mm/hugetlb-shm.c
View File

@ -28,9 +28,9 @@
#include <sys/shm.h>
#include <sys/mman.h>
#define LENGTH (256UL*1024*1024)
#include "vm_util.h"
#define dprintf(x) printf(x)
#define LENGTH (256UL*1024*1024)
int main(void)
{
@ -38,44 +38,41 @@ int main(void)
unsigned long i;
char *shmaddr;
ksft_print_header();
ksft_set_plan(1);
shmid = shmget(2, LENGTH, SHM_HUGETLB | IPC_CREAT | SHM_R | SHM_W);
if (shmid < 0) {
perror("shmget");
exit(1);
}
printf("shmid: 0x%x\n", shmid);
if (shmid < 0)
ksft_exit_fail_perror("shmget");
ksft_print_msg("shmid: 0x%x\n", shmid);
shmaddr = shmat(shmid, NULL, 0);
if (shmaddr == (char *)-1) {
perror("Shared memory attach failure");
ksft_perror("Shared memory attach failure");
shmctl(shmid, IPC_RMID, NULL);
exit(2);
ksft_exit_fail();
}
printf("shmaddr: %p\n", shmaddr);
ksft_print_msg("shmaddr: %p\n", shmaddr);
dprintf("Starting the writes:\n");
for (i = 0; i < LENGTH; i++) {
shmaddr[i] = (char)(i);
if (!(i % (1024 * 1024)))
dprintf(".");
}
dprintf("\n");
dprintf("Starting the Check...");
ksft_print_msg("Starting the writes:\n");
for (i = 0; i < LENGTH; i++)
if (shmaddr[i] != (char)i) {
printf("\nIndex %lu mismatched\n", i);
exit(3);
}
dprintf("Done.\n");
shmaddr[i] = (char)(i);
ksft_print_msg("Starting the Check...");
for (i = 0; i < LENGTH; i++)
if (shmaddr[i] != (char)i)
ksft_exit_fail_msg("Data mismatch at index %lu\n", i);
ksft_print_msg("Done.\n");
if (shmdt((const void *)shmaddr) != 0) {
perror("Detach failure");
ksft_perror("Detach failure");
shmctl(shmid, IPC_RMID, NULL);
exit(4);
ksft_exit_fail();
}
shmctl(shmid, IPC_RMID, NULL);
return 0;
ksft_test_result_pass("hugepage using SysV shmget/shmat\n");
ksft_finished();
}