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test_printf: Make pft array const

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Instead of assigning ptf[i].value, leave the values in the on-stack
array and then we can make the array const.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Yafang Shao <laoar.shao@gmail.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20211019142621.2810043-2-willy@infradead.org
This commit is contained in:
Matthew Wilcox (Oracle) 2021-10-19 15:26:17 +01:00 committed by Petr Mladek
parent 6880fa6c56
commit c666d447e0
1 changed files with 8 additions and 13 deletions
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21
lib/test_printf.c
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@ -586,22 +586,21 @@ struct page_flags_test {
int width;
int shift;
int mask;
unsigned long value;
const char *fmt;
const char *name;
};
static struct page_flags_test pft[] = {
static const struct page_flags_test pft[] = {
{SECTIONS_WIDTH, SECTIONS_PGSHIFT, SECTIONS_MASK,
0, "%d", "section"},
"%d", "section"},
{NODES_WIDTH, NODES_PGSHIFT, NODES_MASK,
0, "%d", "node"},
"%d", "node"},
{ZONES_WIDTH, ZONES_PGSHIFT, ZONES_MASK,
0, "%d", "zone"},
"%d", "zone"},
{LAST_CPUPID_WIDTH, LAST_CPUPID_PGSHIFT, LAST_CPUPID_MASK,
0, "%#x", "lastcpupid"},
"%#x", "lastcpupid"},
{KASAN_TAG_WIDTH, KASAN_TAG_PGSHIFT, KASAN_TAG_MASK,
0, "%#x", "kasantag"},
"%#x", "kasantag"},
};
static void __init
@ -627,10 +626,6 @@ page_flags_test(int section, int node, int zone, int last_cpupid,
#endif
}
/* Set the test value */
for (i = 0; i < ARRAY_SIZE(pft); i++)
pft[i].value = values[i];
for (i = 0; i < ARRAY_SIZE(pft); i++) {
if (!pft[i].width)
continue;
@ -640,11 +635,11 @@ page_flags_test(int section, int node, int zone, int last_cpupid,
size = strlen(cmp_buf);
}
page_flags |= (pft[i].value & pft[i].mask) << pft[i].shift;
page_flags |= (values[i] & pft[i].mask) << pft[i].shift;
snprintf(cmp_buf + size, BUF_SIZE - size, "%s=", pft[i].name);
size = strlen(cmp_buf);
snprintf(cmp_buf + size, BUF_SIZE - size, pft[i].fmt,
pft[i].value & pft[i].mask);
values[i] & pft[i].mask);
size = strlen(cmp_buf);
append = true;
}