Syzbot CI

Subject	mm/slab, alloc_tag: reduce obj_ext memory waste
Author	vbabka@kernel.org
Date	2026-07-20 14:16:15 +0000 UTC
Version
Cc	akpm@linux-foundation.org cgroups@vger.kernel.org cl@gentwo.org elver@google.com glider@google.com hao.li@linux.dev harry@kernel.org linux-kernel@vger.kernel.org linux-mm@kvack.org rientjes@google.com roman.gushchin@linux.dev shakeel.butt@linux.dev surenb@google.com vbabka@kernel.org

Subject

Author

vbabka@kernel.org

Date

2026-07-20 14:16:15 +0000 UTC

Version

akpm@linux-foundation.org cgroups@vger.kernel.org cl@gentwo.org elver@google.com glider@google.com hao.li@linux.dev harry@kernel.org linux-kernel@vger.kernel.org linux-mm@kvack.org rientjes@google.com roman.gushchin@linux.dev shakeel.butt@linux.dev surenb@google.com vbabka@kernel.org

Name	Content [All]
[PATCH v2 01/13] mm/slab: skip kfence objects in allocation profiling	[Body]
[PATCH v2 02/13] mm/slub: skip handle_failed_objexts_alloc() with profiling disabled	[Body]
[PATCH v2 03/13] mm/slab: remove objs_per_slab()	[Body]
[PATCH v2 04/13] mm: move struct slabobj_ext to mm/slab.h	[Body]
[PATCH v2 05/13] mm/slab: make slab_obj_ext() determine object index	[Body]
[PATCH v2 06/13] mm/slab: abstract slabobj_ext.objcg access	[Body]
[PATCH v2 07/13] mm/slab: abstract slabobj_ext.ref access	[Body]
[PATCH v2 08/13] mm/slab: replace slab.stride with obj_exts_in_object	[Body]
[PATCH v2 09/13] mm/slab: change struct slabobj_ext to a union	[Body]
[PATCH v2 10/13] mm/slab: introduce slab_obj_ext_has_codetag()	[Body]
[PATCH v2 11/13] mm/slab: reduce slabobj_ext memory with allocation profiling disabled	[Body]
[PATCH v2 12/13] mm/slab: add cache_ and slab_needs_objcg() helpers	[Body]
[PATCH v2 13/13] mm/slab: stop allocating objcg pointers when unnecessary	[Body]

Name

Content [All]

Passed

Test	Base	Patched	Verdict
[KASAN] Build Base	d9e6a7623938968e3752b67e37eaff097e559a54 [Config]		passed [Log]
[KASAN] Boot test: Base	d9e6a7623938968e3752b67e37eaff097e559a54 [Config]		passed [Log]
[KASAN] Build Patched		d9e6a7623938968e3752b67e37eaff097e559a54 [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		d9e6a7623938968e3752b67e37eaff097e559a54 [Config] [patched]	passed [Log]
[KASAN] Fuzz	d9e6a7623938968e3752b67e37eaff097e559a54 [Config]	d9e6a7623938968e3752b67e37eaff097e559a54 [Config] [patched]	passed [Log] [Artifacts]