On Mon, Jun 16, 2014 at 11:45:42PM -0400, Waiman Long wrote:
> On 06/16/2014 04:59 PM, Kirill A. Shutemov wrote:
> >On Mon, Jun 16, 2014 at 11:49:34PM +0300, Kirill A. Shutemov wrote:
> >>On Mon, Jun 16, 2014 at 03:35:48PM -0400, Waiman Long wrote:
> >>>In the __split_huge_page_map() function, the
On Mon, Jun 16, 2014 at 11:45:42PM -0400, Waiman Long wrote:
On 06/16/2014 04:59 PM, Kirill A. Shutemov wrote:
On Mon, Jun 16, 2014 at 11:49:34PM +0300, Kirill A. Shutemov wrote:
On Mon, Jun 16, 2014 at 03:35:48PM -0400, Waiman Long wrote:
In the __split_huge_page_map() function, the check for
On 06/16/2014 04:59 PM, Kirill A. Shutemov wrote:
On Mon, Jun 16, 2014 at 11:49:34PM +0300, Kirill A. Shutemov wrote:
On Mon, Jun 16, 2014 at 03:35:48PM -0400, Waiman Long wrote:
In the __split_huge_page_map() function, the check for
page_mapcount(page) is invariant within the for loop.
On Mon, Jun 16, 2014 at 11:49:34PM +0300, Kirill A. Shutemov wrote:
> On Mon, Jun 16, 2014 at 03:35:48PM -0400, Waiman Long wrote:
> > In the __split_huge_page_map() function, the check for
> > page_mapcount(page) is invariant within the for loop. Because of the
> > fact that the macro is
On Mon, Jun 16, 2014 at 03:35:48PM -0400, Waiman Long wrote:
> In the __split_huge_page_map() function, the check for
> page_mapcount(page) is invariant within the for loop. Because of the
> fact that the macro is implemented using atomic_read(), the redundant
> check cannot be optimized away by
On Mon, Jun 16, 2014 at 03:35:48PM -0400, Waiman Long wrote:
In the __split_huge_page_map() function, the check for
page_mapcount(page) is invariant within the for loop. Because of the
fact that the macro is implemented using atomic_read(), the redundant
check cannot be optimized away by the
On Mon, Jun 16, 2014 at 11:49:34PM +0300, Kirill A. Shutemov wrote:
On Mon, Jun 16, 2014 at 03:35:48PM -0400, Waiman Long wrote:
In the __split_huge_page_map() function, the check for
page_mapcount(page) is invariant within the for loop. Because of the
fact that the macro is implemented
On 06/16/2014 04:59 PM, Kirill A. Shutemov wrote:
On Mon, Jun 16, 2014 at 11:49:34PM +0300, Kirill A. Shutemov wrote:
On Mon, Jun 16, 2014 at 03:35:48PM -0400, Waiman Long wrote:
In the __split_huge_page_map() function, the check for
page_mapcount(page) is invariant within the for loop.
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