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memblock tests: add command line help option

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Add a help command line option to the help message. Add the help option
to the short and long options so it will be recognized as a valid
option.

Usage:
    $ ./main -h

    Or:
    $ ./main --help

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Rebecca Mckeever <remckee0@gmail.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/r/0f3b93a79de78c0da1ca90f74fe35e9a85c7cf93.1660451025.git.remckee0@gmail.com
This commit is contained in:
Rebecca Mckeever
2022-08-14 00:50:19 -05:00
committed by Mike Rapoport
parent b90cb10531
commit c0f1bc4e91
1 changed files with 3 additions and 1 deletions
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4
tools/testing/memblock/tests/common.c
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@@ -14,14 +14,16 @@ static struct test_memory memory_block;
static const char __maybe_unused *prefixes[PREFIXES_MAX];
static int __maybe_unused nr_prefixes;
static const char *short_opts = "mv";
static const char *short_opts = "hmv";
static const struct option long_opts[] = {
{"help", 0, NULL, 'h'},
{"movable-node", 0, NULL, 'm'},
{"verbose", 0, NULL, 'v'},
{NULL, 0, NULL, 0}
};
static const char * const help_opts[] = {
"display this help message and exit",
"disallow allocations from regions marked as hotplugged\n\t\t\t"
"by simulating enabling the \"movable_node\" kernel\n\t\t\t"
"parameter",