On Fri, 14 Apr 2006, KAMEZAWA Hiroyuki wrote:
> I just compiled this patch (because I cannot use NUMA now.)
I can give this a spin later today.
>
> BTW, why MAX_SWAPFILES_SHIFT==5 now ? required by some arch ?
No idea.
> +/* write protected page under migration*/
> +#define SWP_TYPE_MIGRATION_WP (MAX_SWAPFILES - 1)
> +/* write enabled migration type */
> +#define SWP_TYPE_MIGRATION_WE (MAX_SWAPFILES)
Could we call this SWP_TYPE_MIGRATION_READ / WRITE?
> + pte = pte_mkold(mk_pte(new, vma->vm_page_prot));
> + if (is_migration_entry_we(entry)) {
is_write_migration_entry?
> + pte = pte_mkwrite(pte);
> + }
No {} needed.
> - entry = make_migration_entry(page);
> + if (pte_write(pteval))
> + entry = make_migration_entry(page, 1);
> + else
> + entry = make_migration_entry(page, 0);
> }
entry = make_migration_entry(page, pte_write(pteval))
?
-
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