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authorAndrey Konovalov <andreyknvl@google.com>2022-03-24 18:10:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-24 19:06:47 -0700
commit0b7ccc70ee1d5b499d1626c9d28f729507b1c036 (patch)
tree18d2ae73a1b3f25e422f05ec6ec2244a24639852 /include/linux/vmalloc.h
parent63840de296472f3914bb933b11ba2b764590755e (diff)
kasan, vmalloc: drop outdated VM_KASAN comment
The comment about VM_KASAN in include/linux/vmalloc.c is outdated. VM_KASAN is currently only used to mark vm_areas allocated for kernel modules when CONFIG_KASAN_VMALLOC is disabled. Drop the comment. Link: https://lkml.kernel.org/r/780395afea83a147b3b5acc36cf2e38f7f8479f9.1643047180.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Alexander Potapenko <glider@google.com> Acked-by: Marco Elver <elver@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Collingbourne <pcc@google.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/vmalloc.h')
-rw-r--r--include/linux/vmalloc.h11
1 files changed, 0 insertions, 11 deletions
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 5a0c3b556848..2ca95c7db463 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -35,17 +35,6 @@ struct notifier_block; /* in notifier.h */
#define VM_DEFER_KMEMLEAK 0
#endif
-/*
- * VM_KASAN is used slightly differently depending on CONFIG_KASAN_VMALLOC.
- *
- * If IS_ENABLED(CONFIG_KASAN_VMALLOC), VM_KASAN is set on a vm_struct after
- * shadow memory has been mapped. It's used to handle allocation errors so that
- * we don't try to poison shadow on free if it was never allocated.
- *
- * Otherwise, VM_KASAN is set for kasan_module_alloc() allocations and used to
- * determine which allocations need the module shadow freed.
- */
-
/* bits [20..32] reserved for arch specific ioremap internals */
/*