From: Andrey Konovalov <andreyknvl@xxxxxxxxxx> The comment about VM_KASAN in include/linux/vmalloc.c is outdated.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. Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx> --- include/linux/vmalloc.h | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index cde400a9fd87..34ac66a656d4 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 */ /* -- 2.25.1
