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selftests/mm: use __auto_type in swap() macro

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Replace typeof() with __auto_type in the swap() macro in uffd-stress.c. 
__auto_type was introduced in GCC 4.9 and reduces the compile time for all
compilers.  No functional changes intended.

Link: https://lkml.kernel.org/r/20250730142301.6754-1-pranav.tyagi03@gmail.com
Signed-off-by: Pranav Tyagi <pranav.tyagi03@gmail.com>
Reviewed-by: Joshua Hahn <joshua.hahnjy@gmail.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Pranav Tyagi
2025-07-30 19:53:01 +05:30
committed by Andrew Morton
parent 9a42aed484
commit 6de1ef1ca3
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/mm/uffd-stress.c
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@@ -51,7 +51,7 @@ static char *zeropage;
pthread_attr_t attr;
#define swap(a, b) \
do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
do { __auto_type __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
const char *examples =
"# Run anonymous memory test on 100MiB region with 99999 bounces:\n"