On 08/01/2018 05:13 PM, Johannes Weiner wrote:
> diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
> index e34a27727b9a..7af1c3c15d8e 100644
> --- a/include/linux/page-flags.h
> +++ b/include/linux/page-flags.h
> @@ -69,13 +69,14 @@
> */
> enum pageflags {
> PG_locked, /* Page is locked. Don't touch. */
> - PG_error,
> PG_referenced,
> PG_uptodate,
> PG_dirty,
> PG_lru,
> PG_active,
> + PG_workingset,
> PG_waiters, /* Page has waiters, check its waitqueue. Must
> be bit #7 and in the same byte as "PG_locked" */
> + PG_error,
> PG_slab,
> PG_owner_priv_1, /* Owner use. If pagecache, fs may use*/
> PG_arch_1,
> @@ -280,6 +281,8 @@ PAGEFLAG(Dirty, dirty, PF_HEAD) TESTSCFLAG(Dirty, dirty,
> PF_HEAD)
Any reason why the PG_error was moved? And dont you need to do some handling of
this flag in proc/fs/page.c ?
Some KFP_WORKINGSET ?