On 03/10/2016 01:25 AM, Aneesh Kumar K.V wrote: > Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx> writes: > >> > [ text/plain ] >> > From: root <root@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> >> > >> > Currently the 'huge_pte_alloc' function has two versions, one for the >> > BOOK3S and the other one for the BOOK3E platforms. This change splits >> > the BOOK3S version into two parts, one for the 4K page size based >> > implementation and the other one for the 64K page sized implementation. >> > This change is one of the prerequisites towards enabling GENERAL_HUGETLB >> > implementation for BOOK3S 64K based huge pages. > I really wish we reduce #ifdefs in C code and start splitting hash > and nonhash code out where ever we can. Okay but here we are only dealing with 64K and 4K configs inside book3s. I guess it covers both hash and no hash implementations. Not sure if I got it correctly. > > What we really want here is a book3s version and in book3s version use > powerpc specific huge_pte_alloc only if GENERAL_HUGETLB was not defined. got it. > Don't limit it to 64k linux page size. We should select between powerpc > specific implementation and generic code using GENERAL_HUGETLB define. Got it. will try. -- 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>