On Mon, 17 Jun 2013 16:27:46 +0300 "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx> wrote: > On Mon, May 13, 2013 at 04:14:06PM -0700, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > > From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> > > Subject: mm/THP: don't use HPAGE_SHIFT in transparent hugepage code > > > > For architectures like powerpc that support multiple explicit hugepage > > sizes, HPAGE_SHIFT indicate the default explicit hugepage shift. For THP > > to work the hugepage size should be same as PMD_SIZE. So use PMD_SHIFT > > directly. So move the define outside CONFIG_TRANSPARENT_HUGEPAGE #ifdef > > because we want to use these defines in generic code with if > > (pmd_trans_huge()) conditional. > > I would propose to partly revert the patch with the patch bellow. It's not completely clear what you're proposing here. Can you send a real patch against mmotm or -next for us to look at? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>