Re: [RFC, PATCH 19/22] x86/mm: Implement free_encrypt_page()

From: Dave Hansen
Date: Mon Mar 05 2018 - 14:00:08 EST


On 03/05/2018 08:26 AM, Kirill A. Shutemov wrote:
> +void free_encrypt_page(struct page *page, int keyid, unsigned int order)
> +{
> + int i;
> + void *v;
> +
> + for (i = 0; i < (1 << order); i++) {
> + v = kmap_atomic_keyid(page, keyid + i);
> + /* See comment in prep_encrypt_page() */
> + clflush_cache_range(v, PAGE_SIZE);
> + kunmap_atomic(v);
> + }
> +}

Did you miss adding the call sites for this?