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Date: Fri, 16 Feb 2024 14:30:40 +0200
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: Rick Edgecombe <rick.p.edgecombe@...el.com>
Cc: Liam.Howlett@...cle.com, akpm@...ux-foundation.org, debug@...osinc.com, 
	broonie@...nel.org, keescook@...omium.org, tglx@...utronix.de, mingo@...hat.com, 
	bp@...en8.de, dave.hansen@...ux.intel.com, x86@...nel.org, luto@...nel.org, 
	peterz@...radead.org, hpa@...or.com, linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 1/8] mm: Switch mm->get_unmapped_area() to a flag

On Thu, Feb 15, 2024 at 03:13:25PM -0800, Rick Edgecombe wrote:
> diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h
> index 02f5090ffea2..428e440424c5 100644
> --- a/include/linux/sched/coredump.h
> +++ b/include/linux/sched/coredump.h
> @@ -74,6 +74,7 @@ static inline int get_dumpable(struct mm_struct *mm)
>  #define MMF_DISABLE_THP_MASK	(1 << MMF_DISABLE_THP)
>  #define MMF_OOM_REAP_QUEUED	25	/* mm was queued for oom_reaper */
>  #define MMF_MULTIPROCESS	26	/* mm is shared between processes */
> +#define MMF_TOPDOWN		27	/* mm is shared between processes */
>  /*
>   * MMF_HAS_PINNED: Whether this mm has pinned any pages.  This can be either
>   * replaced in the future by mm.pinned_vm when it becomes stable, or grow into

Comment has to be updated.

Otherwise, looks good:

Reviewed-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

-- 
  Kiryl Shutsemau / Kirill A. Shutemov

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