The patch titled
Subject: mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix-2
has been added to the -mm tree. Its filename is
mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix-2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix-2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix-2.patch
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------------------------------------------------------
From: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Subject: mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix-2
Comments style fixes.
Signed-off-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/stackdepot.c | 24 +++++++++++++++---------
1 file changed, 15 insertions(+), 9 deletions(-)
diff -puN lib/stackdepot.c~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix-2 lib/stackdepot.c
--- a/lib/stackdepot.c~mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix-2
+++ a/lib/stackdepot.c
@@ -81,7 +81,8 @@ static bool init_stack_slab(void **preal
{
if (!*prealloc)
return false;
- /* This smp_load_acquire() pairs with smp_store_release() to
+ /*
+ * This smp_load_acquire() pairs with smp_store_release() to
* |next_slab_inited| below and in depot_alloc_stack().
*/
if (smp_load_acquire(&next_slab_inited))
@@ -90,7 +91,8 @@ static bool init_stack_slab(void **preal
stack_slabs[depot_index] = *prealloc;
} else {
stack_slabs[depot_index + 1] = *prealloc;
- /* This smp_store_release pairs with smp_load_acquire() from
+ /*
+ * This smp_store_release pairs with smp_load_acquire() from
* |next_slab_inited| above and in depot_save_stack().
*/
smp_store_release(&next_slab_inited, 1);
@@ -116,7 +118,8 @@ static struct stack_record *depot_alloc_
}
depot_index++;
depot_offset = 0;
- /* smp_store_release() here pairs with smp_load_acquire() from
+ /*
+ * smp_store_release() here pairs with smp_load_acquire() from
* |next_slab_inited| in depot_save_stack() and
* init_stack_slab().
*/
@@ -186,7 +189,7 @@ void depot_fetch_stack(depot_stack_handl
trace->skip = 0;
}
-/*
+/**
* depot_save_stack - save stack in a stack depot.
* @trace - the stacktrace to save.
* @alloc_flags - flags for allocating additional memory if required.
@@ -213,8 +216,8 @@ depot_stack_handle_t depot_save_stack(st
bucket = &stack_table[hash & STACK_HASH_MASK];
- /* Fast path: look the stack trace up without locking.
- *
+ /*
+ * Fast path: look the stack trace up without locking.
* The smp_load_acquire() here pairs with smp_store_release() to
* |bucket| below.
*/
@@ -223,7 +226,8 @@ depot_stack_handle_t depot_save_stack(st
if (found)
goto exit;
- /* Check if the current or the next stack slab need to be initialized.
+ /*
+ * Check if the current or the next stack slab need to be initialized.
* If so, allocate the memory - we won't be able to do that under the
* lock.
*
@@ -231,7 +235,8 @@ depot_stack_handle_t depot_save_stack(st
* |next_slab_inited| in depot_alloc_stack() and init_stack_slab().
*/
if (unlikely(!smp_load_acquire(&next_slab_inited))) {
- /* Zero out zone modifiers, as we don't have specific zone
+ /*
+ * Zero out zone modifiers, as we don't have specific zone
* requirements. Keep the flags related to allocation in atomic
* contexts and I/O.
*/
@@ -251,7 +256,8 @@ depot_stack_handle_t depot_save_stack(st
hash, &prealloc, alloc_flags);
if (new) {
new->next = *bucket;
- /* This smp_store_release() pairs with
+ /*
+ * This smp_store_release() pairs with
* smp_load_acquire() from |bucket| above.
*/
smp_store_release(bucket, new);
_
Patches currently in -mm which might be from aryabinin@xxxxxxxxxxxxx are
mm-kasan-stackdepot-implementation-enable-stackdepot-for-slab-fix-2.patch
maintainers-fill-entries-for-kasan.patch
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