On 02/03/2017 16:15, Brijesh Singh wrote:
>
> __split_large_page(struct cpa_data *cpa, pte_t *kpte, unsigned long address,
> - struct page *base)
> + pte_t *pbase, unsigned long new_pfn)
> {
> - pte_t *pbase = (pte_t *)page_address(base);
Just one comment and I'll reply to Boris, I think you can compute pbase
with pfn_to_kaddr, and avoid adding a new argument.
> */
> - __set_pmd_pte(kpte, address, mk_pte(base, __pgprot(_KERNPG_TABLE)));
> + __set_pmd_pte(kpte, address,
> + native_make_pte((new_pfn << PAGE_SHIFT) + _KERNPG_TABLE));
And this probably is better written as:
__set_pmd_pte(kpte, address, pfn_pte(new_pfn, __pgprot(_KERNPG_TABLE));
Paolo
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