Re: [PATCH 34/34] mm: dynamically allocate page->ptl if it cannotbe embedded to struct page

[Christoph Lameter]

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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