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From: Andreas Schwab <schwab@suse.de>
To: Minchan Kim <minchan@kernel.org>
Cc: <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <mbrugger@suse.de>,
	<linux-mm@kvack.org>, Jason Evans <je@fb.com>
Subject: Re: jemalloc testsuite stalls in memset
Date: Fri, 16 Dec 2016 15:16:20 +0100	[thread overview]
Message-ID: <87d1gshscr.fsf@suse.de> (raw)
In-Reply-To: <20161216063940.GA1334@bbox> (Minchan Kim's message of "Fri, 16 Dec 2016 15:39:40 +0900")

On Dez 16 2016, Minchan Kim <minchan@kernel.org> wrote:

> Below helps?
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index e10a4fe..dc37c9a 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -1611,6 +1611,7 @@ int madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
>  			tlb->fullmm);
>  		orig_pmd = pmd_mkold(orig_pmd);
>  		orig_pmd = pmd_mkclean(orig_pmd);
> +		orig_pmd = pmd_wrprotect(orig_pmd);
>  
>  		set_pmd_at(mm, addr, pmd, orig_pmd);
>  		tlb_remove_pmd_tlb_entry(tlb, pmd, addr);

Thanks, this fixes the issue (tested with 4.9).

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

WARNING: multiple messages have this Message-ID
From: Andreas Schwab <schwab@suse.de>
To: Minchan Kim <minchan@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, mbrugger@suse.de,
	linux-mm@kvack.org, Jason Evans <je@fb.com>
Subject: Re: jemalloc testsuite stalls in memset
Date: Fri, 16 Dec 2016 15:16:20 +0100	[thread overview]
Message-ID: <87d1gshscr.fsf@suse.de> (raw)
In-Reply-To: <20161216063940.GA1334@bbox> (Minchan Kim's message of "Fri, 16 Dec 2016 15:39:40 +0900")

On Dez 16 2016, Minchan Kim <minchan@kernel.org> wrote:

> Below helps?
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index e10a4fe..dc37c9a 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -1611,6 +1611,7 @@ int madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
>  			tlb->fullmm);
>  		orig_pmd = pmd_mkold(orig_pmd);
>  		orig_pmd = pmd_mkclean(orig_pmd);
> +		orig_pmd = pmd_wrprotect(orig_pmd);
>  
>  		set_pmd_at(mm, addr, pmd, orig_pmd);
>  		tlb_remove_pmd_tlb_entry(tlb, pmd, addr);

Thanks, this fixes the issue (tested with 4.9).

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

--
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WARNING: multiple messages have this Message-ID
From: schwab@suse.de (Andreas Schwab)
To: linux-arm-kernel@lists.infradead.org
Subject: jemalloc testsuite stalls in memset
Date: Fri, 16 Dec 2016 15:16:20 +0100	[thread overview]
Message-ID: <87d1gshscr.fsf@suse.de> (raw)
In-Reply-To: <20161216063940.GA1334@bbox> (Minchan Kim's message of "Fri, 16 Dec 2016 15:39:40 +0900")

On Dez 16 2016, Minchan Kim <minchan@kernel.org> wrote:

> Below helps?
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index e10a4fe..dc37c9a 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -1611,6 +1611,7 @@ int madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
>  			tlb->fullmm);
>  		orig_pmd = pmd_mkold(orig_pmd);
>  		orig_pmd = pmd_mkclean(orig_pmd);
> +		orig_pmd = pmd_wrprotect(orig_pmd);
>  
>  		set_pmd_at(mm, addr, pmd, orig_pmd);
>  		tlb_remove_pmd_tlb_entry(tlb, pmd, addr);

Thanks, this fixes the issue (tested with 4.9).

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab at suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

  reply	other threads:[~2016-12-16 14:17 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-14 14:34 jemalloc testsuite stalls in memset Andreas Schwab
2016-12-14 14:34 ` Andreas Schwab
2016-12-14 23:50 ` Minchan Kim
2016-12-14 23:50   ` Minchan Kim
2016-12-14 23:50   ` Minchan Kim
2016-12-15  9:24   ` Andreas Schwab
2016-12-15  9:24     ` Andreas Schwab
2016-12-15  9:24     ` Andreas Schwab
2016-12-16  6:39     ` Minchan Kim
2016-12-16  6:39       ` Minchan Kim
2016-12-16  6:39       ` Minchan Kim
2016-12-16 14:16       ` Andreas Schwab [this message]
2016-12-16 14:16         ` Andreas Schwab
2016-12-16 14:16         ` Andreas Schwab
2016-12-21 23:54         ` Minchan Kim
2016-12-21 23:54           ` Minchan Kim
2016-12-21 23:54           ` Minchan Kim

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