[PATCH 1/5] kmsan: apply clang-format to files mm/kmsan/

Alexander Potapenko
2025-05-07T16:00:17Z

KMSAN source files are expected to be formatted with clang-format, fix
some nits that slipped in. No functional change.

Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Alexander Potapenko <glider@google.com>
---
mm/kmsan/core.c | 4 ++--
mm/kmsan/hooks.c | 4 +---
mm/kmsan/init.c | 3 +--
mm/kmsan/shadow.c | 3 +--
4 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/mm/kmsan/core.c b/mm/kmsan/core.c
index a495debf14363..a97dc90fa6a93 100644
--- a/mm/kmsan/core.c
+++ b/mm/kmsan/core.c
@@ -159,8 +159,8 @@ depot_stack_handle_t kmsan_internal_chain_origin(depot_stack_handle_t id)
* Make sure we have enough spare bits in @id to hold the UAF bit and
* the chain depth.
*/
- BUILD_BUG_ON(
- (1 << STACK_DEPOT_EXTRA_BITS) <= (KMSAN_MAX_ORIGIN_DEPTH << 1));
+ BUILD_BUG_ON((1 << STACK_DEPOT_EXTRA_BITS) <=
+ (KMSAN_MAX_ORIGIN_DEPTH << 1));

extra_bits = stack_depot_get_extra_bits(id);
depth = kmsan_depth_from_eb(extra_bits);
diff --git a/mm/kmsan/hooks.c b/mm/kmsan/hooks.c
index 3df45c25c1f62..05f2faa540545 100644
--- a/mm/kmsan/hooks.c
+++ b/mm/kmsan/hooks.c
@@ -114,9 +114,7 @@ void kmsan_kfree_large(const void *ptr)
kmsan_enter_runtime();
page = virt_to_head_page((void *)ptr);
KMSAN_WARN_ON(ptr != page_address(page));
- kmsan_internal_poison_memory((void *)ptr,
- page_size(page),
- GFP_KERNEL,
+ kmsan_internal_poison_memory((void *)ptr, page_size(page), GFP_KERNEL,
KMSAN_POISON_CHECK | KMSAN_POISON_FREE);
kmsan_leave_runtime();
}
diff --git a/mm/kmsan/init.c b/mm/kmsan/init.c
index 10f52c085e6cd..b14ce3417e65e 100644
--- a/mm/kmsan/init.c
+++ b/mm/kmsan/init.c
@@ -35,8 +35,7 @@ static void __init kmsan_record_future_shadow_range(void *start, void *end)
KMSAN_WARN_ON(future_index == NUM_FUTURE_RANGES);
KMSAN_WARN_ON((nstart >= nend) ||
/* Virtual address 0 is valid on s390. */
- (!IS_ENABLED(CONFIG_S390) && !nstart) ||
- !nend);
+ (!IS_ENABLED(CONFIG_S390) && !nstart) || !nend);
nstart = ALIGN_DOWN(nstart, PAGE_SIZE);
nend = ALIGN(nend, PAGE_SIZE);

diff --git a/mm/kmsan/shadow.c b/mm/kmsan/shadow.c
index 1bb505a08415d..6d32bfc18d6a2 100644
--- a/mm/kmsan/shadow.c
+++ b/mm/kmsan/shadow.c
@@ -207,8 +207,7 @@ void kmsan_free_page(struct page *page, unsigned int order)
if (!kmsan_enabled || kmsan_in_runtime())
return;
kmsan_enter_runtime();
- kmsan_internal_poison_memory(page_address(page),
- page_size(page),
+ kmsan_internal_poison_memory(page_address(page), page_size(page),
GFP_KERNEL,
KMSAN_POISON_CHECK | KMSAN_POISON_FREE);
kmsan_leave_runtime();
--
2.49.0.967.g6a0df3ecc3-goog