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-rw-r--r--include/linux/page-flags.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index e1f5fcd7979..5ed7bdaf22d 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -121,8 +121,12 @@ enum pageflags {
PG_fscache = PG_private_2, /* page backed by cache */
/* XEN */
+ /* Pinned in Xen as a read-only pagetable page. */
PG_pinned = PG_owner_priv_1,
+ /* Pinned as part of domain save (see xen_mm_pin_all()). */
PG_savepinned = PG_dirty,
+ /* Has a grant mapping of another (foreign) domain's page. */
+ PG_foreign = PG_owner_priv_1,
/* SLOB */
PG_slob_free = PG_private,
@@ -215,6 +219,7 @@ __PAGEFLAG(Slab, slab)
PAGEFLAG(Checked, checked) /* Used by some filesystems */
PAGEFLAG(Pinned, pinned) TESTSCFLAG(Pinned, pinned) /* Xen */
PAGEFLAG(SavePinned, savepinned); /* Xen */
+PAGEFLAG(Foreign, foreign); /* Xen */
PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved)
PAGEFLAG(SwapBacked, swapbacked) __CLEARPAGEFLAG(SwapBacked, swapbacked)
__SETPAGEFLAG(SwapBacked, swapbacked)