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selftests/vm: cow: fix compile warning on 32bit 

The compiler complains about the conversion of a pointer to an int of
different width.

Link: https://lkml.kernel.org/r/20221205193716.276024-4-david@redhat.com
Fixes: 6f1405efc6 ("selftests/vm: anon_cow: add R/O longterm tests via gup_test")
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
David Hildenbrand 2022-12-05 20:37:15 +01:00 committed by Andrew Morton
parent d88825f22b
commit 380969fe5a
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/vm/cow.c
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@ -650,7 +650,7 @@ static void do_test_ro_pin(char *mem, size_t size, enum ro_pin_test test,
}
/* Take a R/O pin. This should trigger unsharing. */
args.addr = (__u64)mem;
args.addr = (__u64)(uintptr_t)mem;
args.size = size;
args.flags = fast ? PIN_LONGTERM_TEST_FLAG_USE_FAST : 0;
ret = ioctl(gup_fd, PIN_LONGTERM_TEST_START, &args);
@ -669,7 +669,7 @@ static void do_test_ro_pin(char *mem, size_t size, enum ro_pin_test test,
* Read back the content via the pin to the temporary buffer and
* test if we observed the modification.
*/
tmp_val = (__u64)tmp;
tmp_val = (__u64)(uintptr_t)tmp;
ret = ioctl(gup_fd, PIN_LONGTERM_TEST_READ, &tmp_val);
if (ret)
ksft_test_result_fail("PIN_LONGTERM_TEST_READ failed\n");