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From: Mike Rapoport <rppt@kernel.org>
To: David Hildenbrand <david@redhat.com>
Cc: linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Jason Gunthorpe <jgg@nvidia.com>,
	John Hubbard <jhubbard@nvidia.com>, Peter Xu <peterx@redhat.com>,
	linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev,
	linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-s390@vger.kernel.org, linux-sh@vger.kernel.org,
	linux-mm@kvack.org, linux-perf-users@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH RFC 3/3] mm: use "GUP-fast" instead "fast GUP" in remaining comments
Date: Wed, 27 Mar 2024 17:03:10 +0200	[thread overview]
Message-ID: <ZgQ1LtMUiaj5maDO@kernel.org> (raw)
In-Reply-To: <20240327130538.680256-4-david@redhat.com>

On Wed, Mar 27, 2024 at 02:05:38PM +0100, David Hildenbrand wrote:
> Let's fixup the remaining comments to consistently call that thing
> "GUP-fast". With this change, we consistently call it "GUP-fast".
> 
> Signed-off-by: David Hildenbrand <david@redhat.com>

Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>

> ---
>  mm/filemap.c    | 2 +-
>  mm/khugepaged.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/filemap.c b/mm/filemap.c
> index 387b394754fa..c668e11cd6ef 100644
> --- a/mm/filemap.c
> +++ b/mm/filemap.c
> @@ -1810,7 +1810,7 @@ EXPORT_SYMBOL(page_cache_prev_miss);
>   * C. Return the page to the page allocator
>   *
>   * This means that any page may have its reference count temporarily
> - * increased by a speculative page cache (or fast GUP) lookup as it can
> + * increased by a speculative page cache (or GUP-fast) lookup as it can
>   * be allocated by another user before the RCU grace period expires.
>   * Because the refcount temporarily acquired here may end up being the
>   * last refcount on the page, any page allocation must be freeable by
> diff --git a/mm/khugepaged.c b/mm/khugepaged.c
> index 38830174608f..6972fa05132e 100644
> --- a/mm/khugepaged.c
> +++ b/mm/khugepaged.c
> @@ -1169,7 +1169,7 @@ static int collapse_huge_page(struct mm_struct *mm, unsigned long address,
>  	 * huge and small TLB entries for the same virtual address to
>  	 * avoid the risk of CPU bugs in that area.
>  	 *
> -	 * Parallel fast GUP is fine since fast GUP will back off when
> +	 * Parallel GUP-fast is fine since GUP-fast will back off when
>  	 * it detects PMD is changed.
>  	 */
>  	_pmd = pmdp_collapse_flush(vma, address, pmd);
> -- 
> 2.43.2
> 

-- 
Sincerely yours,
Mike.

WARNING: multiple messages have this Message-ID (diff)
From: Mike Rapoport <rppt@kernel.org>
To: David Hildenbrand <david@redhat.com>
Cc: linux-s390@vger.kernel.org, loongarch@lists.linux.dev,
	linux-sh@vger.kernel.org, John Hubbard <jhubbard@nvidia.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	Peter Xu <peterx@redhat.com>,
	linux-mips@vger.kernel.org, linux-perf-users@vger.kernel.org,
	linux-mm@kvack.org, Jason Gunthorpe <jgg@nvidia.com>,
	linux-fsdevel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH RFC 3/3] mm: use "GUP-fast" instead "fast GUP" in remaining comments
Date: Wed, 27 Mar 2024 17:03:10 +0200	[thread overview]
Message-ID: <ZgQ1LtMUiaj5maDO@kernel.org> (raw)
In-Reply-To: <20240327130538.680256-4-david@redhat.com>

On Wed, Mar 27, 2024 at 02:05:38PM +0100, David Hildenbrand wrote:
> Let's fixup the remaining comments to consistently call that thing
> "GUP-fast". With this change, we consistently call it "GUP-fast".
> 
> Signed-off-by: David Hildenbrand <david@redhat.com>

Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>

> ---
>  mm/filemap.c    | 2 +-
>  mm/khugepaged.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/filemap.c b/mm/filemap.c
> index 387b394754fa..c668e11cd6ef 100644
> --- a/mm/filemap.c
> +++ b/mm/filemap.c
> @@ -1810,7 +1810,7 @@ EXPORT_SYMBOL(page_cache_prev_miss);
>   * C. Return the page to the page allocator
>   *
>   * This means that any page may have its reference count temporarily
> - * increased by a speculative page cache (or fast GUP) lookup as it can
> + * increased by a speculative page cache (or GUP-fast) lookup as it can
>   * be allocated by another user before the RCU grace period expires.
>   * Because the refcount temporarily acquired here may end up being the
>   * last refcount on the page, any page allocation must be freeable by
> diff --git a/mm/khugepaged.c b/mm/khugepaged.c
> index 38830174608f..6972fa05132e 100644
> --- a/mm/khugepaged.c
> +++ b/mm/khugepaged.c
> @@ -1169,7 +1169,7 @@ static int collapse_huge_page(struct mm_struct *mm, unsigned long address,
>  	 * huge and small TLB entries for the same virtual address to
>  	 * avoid the risk of CPU bugs in that area.
>  	 *
> -	 * Parallel fast GUP is fine since fast GUP will back off when
> +	 * Parallel GUP-fast is fine since GUP-fast will back off when
>  	 * it detects PMD is changed.
>  	 */
>  	_pmd = pmdp_collapse_flush(vma, address, pmd);
> -- 
> 2.43.2
> 

-- 
Sincerely yours,
Mike.

WARNING: multiple messages have this Message-ID (diff)
From: Mike Rapoport <rppt@kernel.org>
To: David Hildenbrand <david@redhat.com>
Cc: linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Jason Gunthorpe <jgg@nvidia.com>,
	John Hubbard <jhubbard@nvidia.com>, Peter Xu <peterx@redhat.com>,
	linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev,
	linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-s390@vger.kernel.org, linux-sh@vger.kernel.org,
	linux-mm@kvack.org, linux-perf-users@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH RFC 3/3] mm: use "GUP-fast" instead "fast GUP" in remaining comments
Date: Wed, 27 Mar 2024 17:03:10 +0200	[thread overview]
Message-ID: <ZgQ1LtMUiaj5maDO@kernel.org> (raw)
In-Reply-To: <20240327130538.680256-4-david@redhat.com>

On Wed, Mar 27, 2024 at 02:05:38PM +0100, David Hildenbrand wrote:
> Let's fixup the remaining comments to consistently call that thing
> "GUP-fast". With this change, we consistently call it "GUP-fast".
> 
> Signed-off-by: David Hildenbrand <david@redhat.com>

Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org>

> ---
>  mm/filemap.c    | 2 +-
>  mm/khugepaged.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/filemap.c b/mm/filemap.c
> index 387b394754fa..c668e11cd6ef 100644
> --- a/mm/filemap.c
> +++ b/mm/filemap.c
> @@ -1810,7 +1810,7 @@ EXPORT_SYMBOL(page_cache_prev_miss);
>   * C. Return the page to the page allocator
>   *
>   * This means that any page may have its reference count temporarily
> - * increased by a speculative page cache (or fast GUP) lookup as it can
> + * increased by a speculative page cache (or GUP-fast) lookup as it can
>   * be allocated by another user before the RCU grace period expires.
>   * Because the refcount temporarily acquired here may end up being the
>   * last refcount on the page, any page allocation must be freeable by
> diff --git a/mm/khugepaged.c b/mm/khugepaged.c
> index 38830174608f..6972fa05132e 100644
> --- a/mm/khugepaged.c
> +++ b/mm/khugepaged.c
> @@ -1169,7 +1169,7 @@ static int collapse_huge_page(struct mm_struct *mm, unsigned long address,
>  	 * huge and small TLB entries for the same virtual address to
>  	 * avoid the risk of CPU bugs in that area.
>  	 *
> -	 * Parallel fast GUP is fine since fast GUP will back off when
> +	 * Parallel GUP-fast is fine since GUP-fast will back off when
>  	 * it detects PMD is changed.
>  	 */
>  	_pmd = pmdp_collapse_flush(vma, address, pmd);
> -- 
> 2.43.2
> 

-- 
Sincerely yours,
Mike.

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2024-03-27 15:03 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-27 13:05 [PATCH RFC 0/3] mm/gup: consistently call it GUP-fast David Hildenbrand
2024-03-27 13:05 ` David Hildenbrand
2024-03-27 13:05 ` David Hildenbrand
2024-03-27 13:05 ` [PATCH RFC 1/3] mm/gup: consistently name GUP-fast functions David Hildenbrand
2024-03-27 13:05   ` David Hildenbrand
2024-03-27 13:05   ` David Hildenbrand
2024-03-27 13:52   ` Jason Gunthorpe
2024-03-27 13:52     ` Jason Gunthorpe
2024-03-27 13:52     ` Jason Gunthorpe
2024-03-27 13:56     ` David Hildenbrand
2024-03-27 13:56       ` David Hildenbrand
2024-03-27 13:56       ` David Hildenbrand
2024-03-27 14:43   ` Mike Rapoport
2024-03-27 14:43     ` Mike Rapoport
2024-03-27 14:43     ` Mike Rapoport
2024-03-27 13:05 ` [PATCH RFC 2/3] mm/treewide: rename CONFIG_HAVE_FAST_GUP to CONFIG_HAVE_GUP_FAST David Hildenbrand
2024-03-27 13:05   ` David Hildenbrand
2024-03-27 13:05   ` David Hildenbrand
2024-03-27 15:02   ` Mike Rapoport
2024-03-27 15:02     ` Mike Rapoport
2024-03-27 15:02     ` Mike Rapoport
2024-03-27 13:05 ` [PATCH RFC 3/3] mm: use "GUP-fast" instead "fast GUP" in remaining comments David Hildenbrand
2024-03-27 13:05   ` David Hildenbrand
2024-03-27 13:05   ` David Hildenbrand
2024-03-27 15:03   ` Mike Rapoport [this message]
2024-03-27 15:03     ` Mike Rapoport
2024-03-27 15:03     ` Mike Rapoport
2024-03-27 15:21 ` [PATCH RFC 0/3] mm/gup: consistently call it GUP-fast Peter Xu
2024-03-27 15:21   ` Peter Xu
2024-03-27 15:21   ` Peter Xu
2024-03-27 15:39   ` David Hildenbrand
2024-03-27 15:39     ` David Hildenbrand
2024-03-27 15:39     ` David Hildenbrand
2024-03-27 15:46     ` Ryan Roberts
2024-03-27 15:46       ` Ryan Roberts
2024-03-27 15:46       ` Ryan Roberts
2024-03-27 15:47       ` David Hildenbrand
2024-03-27 15:47         ` David Hildenbrand
2024-03-27 15:47         ` David Hildenbrand
2024-03-27 16:22     ` Arnd Bergmann
2024-03-27 16:22       ` Arnd Bergmann
2024-03-27 16:22       ` Arnd Bergmann
2024-03-28  5:51       ` Vineet Gupta
2024-03-28  5:51         ` Vineet Gupta
2024-03-28  5:51         ` Vineet Gupta
2024-03-28  6:09         ` Arnd Bergmann
2024-03-28  6:09           ` Arnd Bergmann
2024-03-28  6:09           ` Arnd Bergmann
2024-03-28  7:15           ` Mike Rapoport
2024-03-28  7:15             ` Mike Rapoport
2024-03-28  7:15             ` Mike Rapoport
2024-03-28  9:50             ` David Hildenbrand
2024-03-28  9:50               ` David Hildenbrand
2024-03-28  9:50               ` David Hildenbrand
2024-03-28 17:46             ` Vineet Gupta
2024-03-28 17:46               ` Vineet Gupta
2024-03-28 17:46               ` Vineet Gupta

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