linux-kernel - [PATCH 01/43] arch/x86: add missing include to sparsemem.h

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Message-Id: <20211214162050.660953-2-glider@google.com>
Date:   Tue, 14 Dec 2021 17:20:08 +0100
From:   Alexander Potapenko <glider@...gle.com>
To:     glider@...gle.com
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Andy Lutomirski <luto@...nel.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Arnd Bergmann <arnd@...db.de>, Borislav Petkov <bp@...en8.de>,
        Christoph Hellwig <hch@....de>,
        Christoph Lameter <cl@...ux.com>,
        David Rientjes <rientjes@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Ilya Leoshkevich <iii@...ux.ibm.com>,
        Ingo Molnar <mingo@...hat.com>, Jens Axboe <axboe@...nel.dk>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Kees Cook <keescook@...omium.org>,
        Marco Elver <elver@...gle.com>,
        Matthew Wilcox <willy@...radead.org>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Pekka Enberg <penberg@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Vegard Nossum <vegard.nossum@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, linux-mm@...ck.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 01/43] arch/x86: add missing include to sparsemem.h

From: Dmitry Vyukov <dvyukov@...gle.com>

Somehow all existing inclusions of sparsemem.h are preceded by inclusion
of <linux/types.h>, but KMSAN contains code that transitively includes
sparsemem.h without that header, resulting in a compilation error:

  sparsemem.h:34:32: error: unknown type name 'phys_addr_t'
  extern int phys_to_target_node(phys_addr_t start);
                                 ^
  sparsemem.h:36:39: error: unknown type name 'u64'
  extern int memory_add_physaddr_to_nid(u64 start);
                                        ^

Because sparsemem.h does actually use phys_addr_t and u64, include
types.h explicitly.

Signed-off-by: Dmitry Vyukov <dvyukov@...gle.com>
---
Link: https://linux-review.googlesource.com/id/Ifae221ce85d870d8f8d17173bd44d5cf9be2950f
---
 arch/x86/include/asm/sparsemem.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/include/asm/sparsemem.h b/arch/x86/include/asm/sparsemem.h
index 6a9ccc1b2be5d..64df897c0ee30 100644
--- a/arch/x86/include/asm/sparsemem.h
+++ b/arch/x86/include/asm/sparsemem.h
@@ -2,6 +2,8 @@
 #ifndef _ASM_X86_SPARSEMEM_H
 #define _ASM_X86_SPARSEMEM_H
 
+#include <linux/types.h>
+
 #ifdef CONFIG_SPARSEMEM
 /*
  * generic non-linear memory support:
-- 
2.34.1.173.g76aa8bc2d0-goog