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From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Joel Fernandes <joel@joelfernandes.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	kernel-team@android.com, minchan@google.com, hughd@google.com,
	lokeshgidra@google.com, Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	Philippe Ombredanne <pombredanne@nexb.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] mm: Speed up mremap on large regions
Date: Thu, 11 Oct 2018 08:14:19 +0300	[thread overview]
Message-ID: <20181011051419.2rkfbooqc3auk5ji@kshutemo-mobl1> (raw)
In-Reply-To: <20181011004618.GA237677@joelaf.mtv.corp.google.com>

On Wed, Oct 10, 2018 at 05:46:18PM -0700, Joel Fernandes wrote:
> diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h
> index 391ed2c3b697..8a33f2044923 100644
> --- a/arch/powerpc/include/asm/book3s/64/pgalloc.h
> +++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h
> @@ -192,14 +192,12 @@ static inline pgtable_t pmd_pgtable(pmd_t pmd)
>  	return (pgtable_t)pmd_page_vaddr(pmd);
>  }
>  
> -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
> -					  unsigned long address)
> +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
>  {
>  	return (pte_t *)pte_fragment_alloc(mm, address, 1);
>  }

This is obviously broken.

-- 
 Kirill A. Shutemov

  parent reply	other threads:[~2018-10-11  5:14 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-09 20:14 [PATCH] mm: Speed up mremap on large regions Joel Fernandes (Google)
2018-10-09 21:38 ` Andrew Morton
2018-10-09 23:08   ` Joel Fernandes
2018-10-09 22:02 ` Kirill A. Shutemov
2018-10-09 23:04   ` Joel Fernandes
2018-10-10 10:00     ` Kirill A. Shutemov
2018-10-11  0:46       ` Joel Fernandes
2018-10-11  0:50         ` Joel Fernandes
2018-10-11  5:14         ` Kirill A. Shutemov [this message]
2018-10-11  8:11           ` Kirill A. Shutemov
2018-10-12  1:47             ` Joel Fernandes
2018-10-11  8:17         ` Kirill A. Shutemov
2018-10-11 12:02           ` Michal Hocko
2018-10-12  3:21 ` Jann Horn
2018-10-12  5:29   ` Juergen Gross
2018-10-12  5:34     ` Jann Horn
2018-10-12  7:29       ` Juergen Gross
2018-10-12  7:24   ` Paolo Bonzini

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