On Thu 18-01-18 17:50:48, Ram Pai wrote:
[...]
> @@ -851,9 +848,13 @@ static int show_smap(struct seq_file *m, void *v, int
> is_pid)
> (unsigned long)(mss->pss >> (10 + PSS_SHIFT)));
>
> if (!rollup_mode) {
> - arch_show_smap(m, vma);
> +#ifdef CONFIG_ARCH_HAS_PKEYS
> + if (arch_pkeys_enabled())
> + seq_printf(m, "ProtectionKey: %8u\n", vma_pkey(vma));
> +#endif
> show_smap_vma_flags(m, vma);
> }
> +
Why do you need to add ifdef here? The previous patch should make
arch_pkeys_enabled == F when CONFIG_ARCH_HAS_PKEYS=n. Btw. could you
merge those two patches into one. It is usually much easier to review a
new helper function if it is added along with a user.
> m_cache_vma(m, vma);
> return ret;
> }
> --
> 1.7.1
--
Michal Hocko
SUSE Labs
