Re: [PATCH] mm: fix KPF_SWAPCACHE

2017-02-08 Thread Hugh Dickins
On Thu, 9 Feb 2017, Nicholas Piggin wrote: > On Tue, 7 Feb 2017 11:11:16 -0800 (PST) > Hugh Dickins wrote: > > > 4.10-rc1 commit 6326fec1122c ("mm: Use owner_priv bit for PageSwapCache, > > valid when PageSwapBacked") aliased PG_swapcache to PG_owner_priv_1: > > so /proc/kpageflags' KPF_SWAPCACHE

Re: [PATCH] mm: fix KPF_SWAPCACHE

2017-02-08 Thread Nicholas Piggin
On Tue, 7 Feb 2017 11:11:16 -0800 (PST) Hugh Dickins wrote: > 4.10-rc1 commit 6326fec1122c ("mm: Use owner_priv bit for PageSwapCache, > valid when PageSwapBacked") aliased PG_swapcache to PG_owner_priv_1: > so /proc/kpageflags' KPF_SWAPCACHE should now be synthesized, instead > of being shown on

[PATCH] mm: fix KPF_SWAPCACHE

2017-02-07 Thread Hugh Dickins
4.10-rc1 commit 6326fec1122c ("mm: Use owner_priv bit for PageSwapCache, valid when PageSwapBacked") aliased PG_swapcache to PG_owner_priv_1: so /proc/kpageflags' KPF_SWAPCACHE should now be synthesized, instead of being shown on unrelated pages which have PG_owner_priv_1 set. Signed-off-by: Hugh