Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page

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To: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page
From: Christoph Lameter <cl@xxxxxxxxx>
Date: Mon, 14 Oct 2013 22:13:48 +0000
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On Tue, 15 Oct 2013, Kirill A. Shutemov wrote:

> Feel free to propose a patch. I don't see much point.

Right now you are using a long to stand in for a spinlock_t or a pointer
to a spinlock_t. An #ifdef would allow to define the proper type and
therefore the compiler to check that the ptl is correctly used.

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Follow-Ups:
- Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page
  - From: Kirill A. Shutemov

References:
- [PATCH 00/34] dynamically allocate split ptl if it cannot be embedded to struct page
  - From: Kirill A. Shutemov
- [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page
  - From: Kirill A. Shutemov
- Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page
  - From: Christoph Lameter
- Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page
  - From: Kirill A. Shutemov
- Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page
  - From: Christoph Lameter
- Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page
  - From: Kirill A. Shutemov
- Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page
  - From: Christoph Lameter
- Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannot be embedded to struct page
  - From: Kirill A. Shutemov

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