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-rw-r--r--fs/proc/page.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/proc/page.c b/fs/proc/page.c
index a2066e6dee90..2726536489b1 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -173,7 +173,8 @@ u64 stable_page_flags(struct page *page)
u |= kpf_copy_bit(k, KPF_ACTIVE, PG_active);
u |= kpf_copy_bit(k, KPF_RECLAIM, PG_reclaim);
- u |= kpf_copy_bit(k, KPF_SWAPCACHE, PG_swapcache);
+ if (PageSwapCache(page))
+ u |= 1 << KPF_SWAPCACHE;
u |= kpf_copy_bit(k, KPF_SWAPBACKED, PG_swapbacked);
u |= kpf_copy_bit(k, KPF_UNEVICTABLE, PG_unevictable);