[PATCH v1] kasan: docs: SLUB is the only remaining slab implementation
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David Hildenbrand (Arm)
Mar 3, 2026, 7:04:26 AMMar 3
to linux-...@vger.kernel.org, kasa...@googlegroups.com, work...@vger.kernel.org, linu...@vger.kernel.org, David Hildenbrand (Arm), Andrew Morton, Andrey Ryabinin, Alexander Potapenko, Andrey Konovalov, Dmitry Vyukov, Vincenzo Frascino, Jonathan Corbet, Shuah Khan, Vlastimil Babka
We have only the SLUB implementation left in the kernel (referred to
as "slab"). Therefore, there is nothing special regarding KASAN modes
when it comes to the slab allocator anymore.
Drop the stale comment regarding differing SLUB vs. SLAB support.
Cc: Andrew Morton <ak...@linux-foundation.org>
Cc: Andrey Ryabinin <ryabin...@gmail.com>
Cc: Alexander Potapenko <gli...@google.com>
Cc: Andrey Konovalov <andre...@gmail.com>
Cc: Dmitry Vyukov <dvy...@google.com>
Cc: Vincenzo Frascino <vincenzo...@arm.com>
Cc: Jonathan Corbet <cor...@lwn.net>
Cc: Shuah Khan <sk...@linuxfoundation.org>
Cc: Vlastimil Babka <vba...@kernel.org>
Signed-off-by: David Hildenbrand (Arm) <da...@kernel.org>
---
Documentation/dev-tools/kasan.rst | 3 ---
1 file changed, 3 deletions(-)
diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index a034700da7c4..4968b2aa60c8 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -75,9 +75,6 @@ Software Tag-Based KASAN supports slab, page_alloc, vmalloc, and stack memory.
Hardware Tag-Based KASAN supports slab, page_alloc, and non-executable vmalloc
memory.
-For slab, both software KASAN modes support SLUB and SLAB allocators, while
-Hardware Tag-Based KASAN only supports SLUB.
-
Usage
-----
--
2.43.0
as "slab"). Therefore, there is nothing special regarding KASAN modes
when it comes to the slab allocator anymore.
Drop the stale comment regarding differing SLUB vs. SLAB support.
Cc: Andrew Morton <ak...@linux-foundation.org>
Cc: Andrey Ryabinin <ryabin...@gmail.com>
Cc: Alexander Potapenko <gli...@google.com>
Cc: Andrey Konovalov <andre...@gmail.com>
Cc: Dmitry Vyukov <dvy...@google.com>
Cc: Vincenzo Frascino <vincenzo...@arm.com>
Cc: Jonathan Corbet <cor...@lwn.net>
Cc: Shuah Khan <sk...@linuxfoundation.org>
Cc: Vlastimil Babka <vba...@kernel.org>
Signed-off-by: David Hildenbrand (Arm) <da...@kernel.org>
---
Documentation/dev-tools/kasan.rst | 3 ---
1 file changed, 3 deletions(-)
diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index a034700da7c4..4968b2aa60c8 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -75,9 +75,6 @@ Software Tag-Based KASAN supports slab, page_alloc, vmalloc, and stack memory.
Hardware Tag-Based KASAN supports slab, page_alloc, and non-executable vmalloc
memory.
-For slab, both software KASAN modes support SLUB and SLAB allocators, while
-Hardware Tag-Based KASAN only supports SLUB.
-
Usage
-----
--
2.43.0
Vlastimil Babka (SUSE)
Mar 3, 2026, 8:33:29 AMMar 3
to David Hildenbrand (Arm), linux-...@vger.kernel.org, kasa...@googlegroups.com, work...@vger.kernel.org, linu...@vger.kernel.org, Andrew Morton, Andrey Ryabinin, Alexander Potapenko, Andrey Konovalov, Dmitry Vyukov, Vincenzo Frascino, Jonathan Corbet, Shuah Khan
On 3/3/26 13:04, David Hildenbrand (Arm) wrote:
> We have only the SLUB implementation left in the kernel (referred to
> as "slab"). Therefore, there is nothing special regarding KASAN modes
> when it comes to the slab allocator anymore.
Right, thanks.
> We have only the SLUB implementation left in the kernel (referred to
> as "slab"). Therefore, there is nothing special regarding KASAN modes
> when it comes to the slab allocator anymore.
> Drop the stale comment regarding differing SLUB vs. SLAB support.
>
> Cc: Andrew Morton <ak...@linux-foundation.org>
> Cc: Andrey Ryabinin <ryabin...@gmail.com>
> Cc: Alexander Potapenko <gli...@google.com>
> Cc: Andrey Konovalov <andre...@gmail.com>
> Cc: Dmitry Vyukov <dvy...@google.com>
> Cc: Vincenzo Frascino <vincenzo...@arm.com>
> Cc: Jonathan Corbet <cor...@lwn.net>
> Cc: Shuah Khan <sk...@linuxfoundation.org>
> Cc: Vlastimil Babka <vba...@kernel.org>
> Signed-off-by: David Hildenbrand (Arm) <da...@kernel.org>
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