From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Adam Litke <agl@us.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Arjan van de Ven <arjan@infradead.org>,
William Lee Irwin III <wli@holomorphy.com>,
Christoph Hellwig <hch@infradead.org>,
Ken Chen <kenchen@google.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/7] Introduce the pagetable_operations and associated helper macros.
Date: Thu, 22 Mar 2007 10:02:07 +1100 [thread overview]
Message-ID: <4601B96F.2080707@yahoo.com.au> (raw)
In-Reply-To: <1174490261.21684.13.camel@localhost.localdomain>
Adam Litke wrote:
> On Wed, 2007-03-21 at 15:18 +1100, Nick Piggin wrote:
>
>>Adam Litke wrote:
>>>diff --git a/include/linux/mm.h b/include/linux/mm.h
>>>index 60e0e4a..7089323 100644
>>>--- a/include/linux/mm.h
>>>+++ b/include/linux/mm.h
>>>@@ -98,6 +98,7 @@ struct vm_area_struct {
>>>
>>> /* Function pointers to deal with this struct. */
>>> struct vm_operations_struct * vm_ops;
>>>+ const struct pagetable_operations_struct * pagetable_ops;
>>>
>>> /* Information about our backing store: */
>>> unsigned long vm_pgoff; /* Offset (within vm_file) in PAGE_SIZE
>>
>>Can you remind me why this isn't in vm_ops?
>
>
> We didn't want to bloat the size of the vm_ops struct for all of its
> users.
But vmas are surely far more numerous than vm_ops, aren't they?
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
WARNING: multiple messages have this Message-ID (diff)
From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Adam Litke <agl@us.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Arjan van de Ven <arjan@infradead.org>,
William Lee Irwin III <wli@holomorphy.com>,
Christoph Hellwig <hch@infradead.org>,
Ken Chen <kenchen@google.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/7] Introduce the pagetable_operations and associated helper macros.
Date: Thu, 22 Mar 2007 10:02:07 +1100 [thread overview]
Message-ID: <4601B96F.2080707@yahoo.com.au> (raw)
In-Reply-To: <1174490261.21684.13.camel@localhost.localdomain>
Adam Litke wrote:
> On Wed, 2007-03-21 at 15:18 +1100, Nick Piggin wrote:
>
>>Adam Litke wrote:
>>>diff --git a/include/linux/mm.h b/include/linux/mm.h
>>>index 60e0e4a..7089323 100644
>>>--- a/include/linux/mm.h
>>>+++ b/include/linux/mm.h
>>>@@ -98,6 +98,7 @@ struct vm_area_struct {
>>>
>>> /* Function pointers to deal with this struct. */
>>> struct vm_operations_struct * vm_ops;
>>>+ const struct pagetable_operations_struct * pagetable_ops;
>>>
>>> /* Information about our backing store: */
>>> unsigned long vm_pgoff; /* Offset (within vm_file) in PAGE_SIZE
>>
>>Can you remind me why this isn't in vm_ops?
>
>
> We didn't want to bloat the size of the vm_ops struct for all of its
> users.
But vmas are surely far more numerous than vm_ops, aren't they?
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
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next prev parent reply other threads:[~2007-03-21 23:02 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-19 20:05 [PATCH 0/7] [RFC] hugetlb: pagetable_operations API (V2) Adam Litke
2007-03-19 20:05 ` Adam Litke
2007-03-19 20:05 ` [PATCH 1/7] Introduce the pagetable_operations and associated helper macros Adam Litke
2007-03-19 20:05 ` Adam Litke
2007-03-20 23:24 ` Dave Hansen
2007-03-20 23:24 ` Dave Hansen
2007-03-21 14:50 ` Adam Litke
2007-03-21 14:50 ` Adam Litke
2007-03-21 15:05 ` Arjan van de Ven
2007-03-21 15:05 ` Arjan van de Ven
2007-03-21 4:18 ` Nick Piggin
2007-03-21 4:18 ` Nick Piggin
2007-03-21 4:52 ` William Lee Irwin III
2007-03-21 4:52 ` William Lee Irwin III
2007-03-21 5:07 ` Nick Piggin
2007-03-21 5:07 ` Nick Piggin
2007-03-21 5:41 ` William Lee Irwin III
2007-03-21 5:41 ` William Lee Irwin III
2007-03-21 6:51 ` Nick Piggin
2007-03-21 6:51 ` Nick Piggin
2007-03-21 7:36 ` Nick Piggin
2007-03-21 7:36 ` Nick Piggin
2007-03-21 10:46 ` William Lee Irwin III
2007-03-21 10:46 ` William Lee Irwin III
2007-03-21 15:17 ` Adam Litke
2007-03-21 15:17 ` Adam Litke
2007-03-21 16:00 ` Christoph Hellwig
2007-03-21 16:00 ` Christoph Hellwig
2007-03-21 23:03 ` Nick Piggin
2007-03-21 23:03 ` Nick Piggin
2007-03-21 23:02 ` Nick Piggin [this message]
2007-03-21 23:02 ` Nick Piggin
2007-03-21 23:32 ` William Lee Irwin III
2007-03-21 23:32 ` William Lee Irwin III
2007-03-19 20:05 ` [PATCH 2/7] copy_vma for hugetlbfs Adam Litke
2007-03-19 20:05 ` Adam Litke
2007-03-19 20:05 ` [PATCH 3/7] pin_pages for hugetlb Adam Litke
2007-03-19 20:05 ` Adam Litke
2007-03-19 20:05 ` [PATCH 4/7] unmap_page_range " Adam Litke
2007-03-19 20:05 ` Adam Litke
2007-03-20 23:27 ` Dave Hansen
2007-03-20 23:27 ` Dave Hansen
2007-03-19 20:05 ` [PATCH 5/7] change_protection " Adam Litke
2007-03-19 20:05 ` Adam Litke
2007-03-19 20:06 ` [PATCH 6/7] free_pgtable_range " Adam Litke
2007-03-19 20:06 ` Adam Litke
2007-03-19 20:06 ` [PATCH 7/7] hugetlbfs fault handler Adam Litke
2007-03-19 20:06 ` Adam Litke
2007-03-20 23:50 ` [PATCH 0/7] [RFC] hugetlb: pagetable_operations API (V2) Dave Hansen
2007-03-20 23:50 ` Dave Hansen
2007-03-21 1:17 ` William Lee Irwin III
2007-03-21 1:17 ` William Lee Irwin III
2007-03-21 15:55 ` Hugh Dickins
2007-03-21 15:55 ` Hugh Dickins
2007-03-21 16:01 ` Christoph Hellwig
2007-03-21 16:01 ` Christoph Hellwig
2007-03-21 16:23 ` William Lee Irwin III
2007-03-21 17:08 ` Hugh Dickins
2007-03-21 17:42 ` William Lee Irwin III
2007-03-21 19:43 ` pagetable_ops: Hugetlb character device example Adam Litke
2007-03-21 19:43 ` Adam Litke
2007-03-21 19:51 ` Valdis.Kletnieks
2007-03-21 20:26 ` Adam Litke
2007-03-21 20:26 ` Adam Litke
2007-03-21 22:26 ` William Lee Irwin III
2007-03-21 22:26 ` William Lee Irwin III
2007-03-21 22:53 ` Matt Mackall
2007-03-21 22:53 ` Matt Mackall
2007-03-21 23:35 ` William Lee Irwin III
2007-03-21 23:35 ` William Lee Irwin III
2007-03-22 0:31 ` Matt Mackall
2007-03-22 0:31 ` Matt Mackall
2007-03-22 10:38 ` Christoph Hellwig
2007-03-22 10:38 ` Christoph Hellwig
2007-03-22 15:42 ` Mel Gorman
2007-03-22 15:42 ` Mel Gorman
2007-03-22 18:15 ` Christoph Hellwig
2007-03-22 18:15 ` Christoph Hellwig
2007-03-23 14:57 ` Mel Gorman
2007-03-23 14:57 ` Mel Gorman
-- strict thread matches above, loose matches on Subject: below --
2007-02-19 18:31 [PATCH 0/7] [RFC] hugetlb: pagetable_operations API Adam Litke
2007-02-19 18:31 ` [PATCH 1/7] Introduce the pagetable_operations and associated helper macros Adam Litke
2007-02-19 18:31 ` Adam Litke
2007-02-19 18:41 ` Arjan van de Ven
2007-02-19 18:41 ` Arjan van de Ven
2007-02-19 19:31 ` Adam Litke
2007-02-19 19:31 ` Adam Litke
2007-02-19 19:48 ` William Lee Irwin III
2007-02-19 19:48 ` William Lee Irwin III
2007-02-19 22:29 ` Christoph Hellwig
2007-02-19 22:29 ` Christoph Hellwig
2007-02-20 15:50 ` Mel Gorman
2007-02-20 15:50 ` Mel Gorman
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