linux-kernel - Re: [PATCH] tools: Fix compilation after gfp

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Message-ID: <YxKBvExWNAB8xN3b@yury-laptop>
Date:   Fri, 2 Sep 2022 15:20:44 -0700
From:   Yury Norov <yury.norov@...il.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH] tools: Fix compilation after gfp_types.h split

On Fri, Sep 02, 2022 at 08:19:23PM +0100, Matthew Wilcox (Oracle) wrote:
> When gfp_types.h was split from gfp.h, it broke the radix test suite.
> Fix the test suite by using gfp_types.h in the tools gfp.h header.
> 
> Reported-by: Liam R. Howlett <Liam.Howlett@...cle.com>
> Fixes: cb5a065b4ea9 (headers/deps: mm: Split <linux/gfp_types.h> out of <linux/gfp.h>)
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Yury Norov <yury.norov@...il.com>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>

Reviewed-by: Yury Norov <yury.norov@...il.com>

> ---
>  tools/include/linux/gfp.h       | 21 +--------------------
>  tools/include/linux/gfp_types.h |  1 +
>  2 files changed, 2 insertions(+), 20 deletions(-)
>  create mode 100644 tools/include/linux/gfp_types.h
> 
> diff --git a/tools/include/linux/gfp.h b/tools/include/linux/gfp.h
> index b238dbc9eb85..6a10ff5f5be9 100644
> --- a/tools/include/linux/gfp.h
> +++ b/tools/include/linux/gfp.h
> @@ -3,26 +3,7 @@
>  #define _TOOLS_INCLUDE_LINUX_GFP_H
>  
>  #include <linux/types.h>
> -
> -#define __GFP_BITS_SHIFT 26
> -#define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
> -
> -#define __GFP_HIGH		0x20u
> -#define __GFP_IO		0x40u
> -#define __GFP_FS		0x80u
> -#define __GFP_NOWARN		0x200u
> -#define __GFP_ZERO		0x8000u
> -#define __GFP_ATOMIC		0x80000u
> -#define __GFP_ACCOUNT		0x100000u
> -#define __GFP_DIRECT_RECLAIM	0x400000u
> -#define __GFP_KSWAPD_RECLAIM	0x2000000u
> -
> -#define __GFP_RECLAIM	(__GFP_DIRECT_RECLAIM | __GFP_KSWAPD_RECLAIM)
> -
> -#define GFP_ZONEMASK	0x0fu
> -#define GFP_ATOMIC	(__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM)
> -#define GFP_KERNEL	(__GFP_RECLAIM | __GFP_IO | __GFP_FS)
> -#define GFP_NOWAIT	(__GFP_KSWAPD_RECLAIM)
> +#include <linux/gfp_types.h>
>  
>  static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
>  {
> diff --git a/tools/include/linux/gfp_types.h b/tools/include/linux/gfp_types.h
> new file mode 100644
> index 000000000000..5f9f1ed190a0
> --- /dev/null
> +++ b/tools/include/linux/gfp_types.h
> @@ -0,0 +1 @@
> +#include "../../../include/linux/gfp_types.h"
> -- 
> 2.35.1