Gerald Schaefer <gerald.schae...@de.ibm.com> writes: > The thp page table pre-allocation code currently assumes that pgtable_t > is of type "struct page *". This may not be true for all architectures, > so this patch removes that assumption by replacing the functions > prepare_pmd_huge_pte() and get_pmd_huge_pte() with two new functions > that can be defined architecture-specific. > > It also removes two VM_BUG_ON checks for page_count() and page_mapcount() > operating on a pgtable_t. Apart from the VM_BUG_ON removal, there will > be no functional change introduced by this patch.
Why is that VM_BUG_ON not needed any more ? What is that changed which break that requirement ? -aneesh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/