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

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Date:   Fri, 29 Nov 2019 18:53:17 -0800
From:   Jens Axboe <axboe@...nel.dk>
To:     YueHaibing <yuehaibing@...wei.com>, 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
Subject: Re: [PATCH -next] io_uring: Add missing include <linux/highmem.h>

On 11/29/19 5:50 PM, YueHaibing wrote:
> 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>

Fix for this is already queued up, and now sent to Linus as well:

https://git.kernel.dk/cgit/linux-block/commit/?h=for-linus&id=aa4c3967756c6c576a38a23ac511be211462a6b7

-- 
Jens Axboe