linux-kernel - [PATCH -next] io_uring: Add missing include <linux/highmem.h>

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Message-ID: <20191130015042.17020-1-yuehaibing@huawei.com>
Date:   Sat, 30 Nov 2019 09:50:42 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <axboe@...nel.dk>, <viro@...iv.linux.org.uk>,
        <asml.silence@...il.com>
CC:     <io-uring@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] io_uring: Add missing include <linux/highmem.h>

Fix build error:

fs/io_uring.c:1628:21: error: implicit declaration of function 'kmap' [-Werror=implicit-function-declaration]
fs/io_uring.c:1643:4: error: implicit declaration of function 'kunmap' [-Werror=implicit-function-declaration]

Reported-by: Hulk Robot <hulkci@...wei.com>
Fixes: 311ae9e159d8 ("io_uring: fix dead-hung for non-iter fixed rw")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 fs/io_uring.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 2c2e8c2..745eb00 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -69,6 +69,7 @@
 #include <linux/nospec.h>
 #include <linux/sizes.h>
 #include <linux/hugetlb.h>
+#include <linux/highmem.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/io_uring.h>
-- 
2.7.4