linux-kernel - Re: [PATCH -mmotm] hugetlb: use mm.h instead of mm

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Message-ID: <YmF7jTjaku6PNoZt@xz-m1.local>
Date:   Thu, 21 Apr 2022 11:43:09 -0400
From:   Peter Xu <peterx@...hat.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org,
        Mike Kravetz <mike.kravetz@...cle.com>, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH -mmotm] hugetlb: use mm.h instead of mm_types.h

On Wed, Apr 20, 2022 at 06:47:23PM -0700, Randy Dunlap wrote:
> mm_types.h does not have zap_flags_t in it so use mm.h instead
> in hugetlb.h.
> 
> Fixes this build error:
> 
> In file included from ../drivers/virt/nitro_enclaves/ne_misc_dev.c:16:0:
> ../include/linux/hugetlb.h:414:4: error: unknown type name ‘zap_flags_t’; did you mean ‘vm_flags_t’?
>     zap_flags_t zap_flags)
> 
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Signed-off-by: Peter Xu <peterx@...hat.com>
      ~~~~~~~~~~~~~~~
            ^
            |
            +-------- could drop these..

> Cc: Mike Kravetz <mike.kravetz@...cle.com>
> Cc: linux-mm@...ck.org
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> ---
> Fixes: mm-hugetlb-only-drop-uffd-wp-special-pte-if-required-fix.patch
> 
>  include/linux/hugetlb.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- a/include/linux/hugetlb.h
> +++ b/include/linux/hugetlb.h
> @@ -2,7 +2,7 @@
>  #ifndef _LINUX_HUGETLB_H
>  #define _LINUX_HUGETLB_H
>  
> -#include <linux/mm_types.h>
> +#include <linux/mm.h>
>  #include <linux/mmdebug.h>
>  #include <linux/fs.h>
>  #include <linux/hugetlb_inline.h>
> 

Reviewed-by: Peter Xu <peterx@...hat.com>

Thanks for fixing it,

-- 
Peter Xu