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From: Vinayak Menon <vinmenon@codeaurora.org>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Ingo Molnar <mingo@redhat.com>,
	x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Tom Lendacky <thomas.lendacky@amd.com>
Cc: Dave Hansen <dave.hansen@intel.com>,
	Kai Huang <kai.huang@linux.intel.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCHv2 08/14] mm/page_ext: Drop definition of unused PAGE_EXT_DEBUG_POISON
Date: Thu, 29 Mar 2018 11:02:42 +0530	[thread overview]
Message-ID: <765cf3b4-a2dd-39d4-6bf6-0096a9b6e818@codeaurora.org> (raw)
In-Reply-To: <20180328165540.648-9-kirill.shutemov@linux.intel.com>

On 3/28/2018 10:25 PM, Kirill A. Shutemov wrote:
> After bd33ef368135 ("mm: enable page poisoning early at boot")
> PAGE_EXT_DEBUG_POISON is not longer used. Remove it.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Cc: Vinayak Menon <vinmenon@codeaurora.org>
> ---
>  include/linux/page_ext.h | 11 -----------
>  1 file changed, 11 deletions(-)
>
> diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
> index ca5461efae2f..bbec618a614b 100644
> --- a/include/linux/page_ext.h
> +++ b/include/linux/page_ext.h
> @@ -16,18 +16,7 @@ struct page_ext_operations {
>  
>  #ifdef CONFIG_PAGE_EXTENSION
>  
> -/*
> - * page_ext->flags bits:
> - *
> - * PAGE_EXT_DEBUG_POISON is set for poisoned pages. This is used to
> - * implement generic debug pagealloc feature. The pages are filled with
> - * poison patterns and set this flag after free_pages(). The poisoned
> - * pages are verified whether the patterns are not corrupted and clear
> - * the flag before alloc_pages().
> - */
> -
>  enum page_ext_flags {
> -	PAGE_EXT_DEBUG_POISON,		/* Page is poisoned */
>  	PAGE_EXT_DEBUG_GUARD,
>  	PAGE_EXT_OWNER,
>  #if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT)

Reviewed-by: Vinayak Menon <vinmenon@codeaurora.org>

  reply	other threads:[~2018-03-29  5:32 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-28 16:55 [PATCHv2 00/14] Partial MKTME enabling Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 01/14] x86/mm: Decouple dynamic __PHYSICAL_MASK from AMD SME Kirill A. Shutemov
2018-04-02 21:12   ` Tom Lendacky
2018-03-28 16:55 ` [PATCHv2 02/14] x86/mm: Mask out KeyID bits from page table entry pfn Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 03/14] mm/shmem: Zero out unused vma fields in shmem_pseudo_vma_init() Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 04/14] mm: Do no merge vma with different encryption KeyIDs Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 05/14] mm/khugepaged: Do not collapse pages in encrypted VMAs Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 06/14] mm/page_alloc: Propagate encryption KeyID through page allocator Kirill A. Shutemov
2018-03-28 17:15   ` Dave Hansen
2018-03-29 12:38     ` Kirill A. Shutemov
2018-03-29 11:20   ` Michal Hocko
2018-03-29 12:37     ` Kirill A. Shutemov
2018-03-29 12:52       ` Michal Hocko
2018-03-29 13:13         ` Kirill A. Shutemov
2018-03-29 13:37           ` Michal Hocko
2018-03-29 14:33             ` Kirill A. Shutemov
2018-03-30  8:07   ` Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 07/14] mm/page_alloc: Add hook in page allocation path for encrypted pages Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 08/14] mm/page_ext: Drop definition of unused PAGE_EXT_DEBUG_POISON Kirill A. Shutemov
2018-03-29  5:32   ` Vinayak Menon [this message]
2018-03-28 16:55 ` [PATCHv2 09/14] x86/mm: Introduce variables to store number, shift and mask of KeyIDs Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 10/14] x86/mm: Preserve KeyID on pte_modify() and pgprot_modify() Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 11/14] x86/mm: Implement vma_is_encrypted() and vma_keyid() Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 12/14] x86/mm: Implement page_keyid() using page_ext Kirill A. Shutemov
2018-03-28 16:59   ` Dave Hansen
2018-03-29 12:43     ` Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 13/14] x86/mm: Implement prep_encrypted_page() Kirill A. Shutemov
2018-03-28 16:55 ` [PATCHv2 14/14] x86: Introduce CONFIG_X86_INTEL_MKTME Kirill A. Shutemov

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