Re: [PATCH] mm: fix build of split ptlock code

Kirill A. Shutemov
2013-12-21T16:43:02Z

On Fri, Dec 20, 2013 at 02:28:05PM -0800, Olof Johansson wrote:
> Commit 597d795a2a78 ('mm: do not allocate page->ptl dynamically, if
> spinlock_t fits to long') restructures some allocators that are compiled
> even if USE_SPLIT_PTLOCKS arn't used. It results in compilation failure:
>
> mm/memory.c:4282:6: error: 'struct page' has no member named 'ptl'
> mm/memory.c:4288:12: error: 'struct page' has no member named 'ptl'
>
> Add in the missing ifdef.
>
> Fixes: 597d795a2a78 ('mm: do not allocate page->ptl dynamically, if spinlock_t fits to long')
> Signed-off-by: Olof Johansson <olof@lixom.net>
> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Cc: Hugh Dickins <hughd@google.com>

Sorry, for that.

Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

--
Kirill A. Shutemov