linux-kernel - [PATCH] kmsan: include linux/vmalloc.h

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Message-Id: <20221215163046.4079767-1-arnd@kernel.org>
Date:   Thu, 15 Dec 2022 17:30:17 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Alexander Potapenko <glider@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Marco Elver <elver@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>, kasan-dev@...glegroups.com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH] kmsan: include linux/vmalloc.h

From: Arnd Bergmann <arnd@...db.de>

This is needed for the vmap/vunmap declarations:

mm/kmsan/kmsan_test.c:316:9: error: implicit declaration of function 'vmap' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
        vbuf = vmap(pages, npages, VM_MAP, PAGE_KERNEL);
               ^
mm/kmsan/kmsan_test.c:316:29: error: use of undeclared identifier 'VM_MAP'
        vbuf = vmap(pages, npages, VM_MAP, PAGE_KERNEL);
                                   ^
mm/kmsan/kmsan_test.c:322:3: error: implicit declaration of function 'vunmap' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                vunmap(vbuf);
                ^

Fixes: 8ed691b02ade ("kmsan: add tests for KMSAN")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 mm/kmsan/kmsan_test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/kmsan/kmsan_test.c b/mm/kmsan/kmsan_test.c
index eb44ef3c5f29..088e21a48dc4 100644
--- a/mm/kmsan/kmsan_test.c
+++ b/mm/kmsan/kmsan_test.c
@@ -22,6 +22,7 @@
 #include <linux/spinlock.h>
 #include <linux/string.h>
 #include <linux/tracepoint.h>
+#include <linux/vmalloc.h>
 #include <trace/events/printk.h>
 
 static DEFINE_PER_CPU(int, per_cpu_var);
-- 
2.35.1