diff options
| -rw-r--r-- | arch/s390/mm/gmap.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index 6695a09a3885..b02d0d0cc641 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -173,6 +173,9 @@ static void gmap_free(struct gmap *gmap) { struct page *page, *next; + /* Flush tlb of all gmaps (if not already done for shadows) */ + if (!(gmap_is_shadow(gmap) && gmap->removed)) + gmap_flush_tlb(gmap); /* Free all segment & region tables. */ list_for_each_entry_safe(page, next, &gmap->crst_list, lru) __free_pages(page, 2); @@ -226,13 +229,10 @@ void gmap_remove(struct gmap *gmap) { struct gmap *sg, *next; - /* Flush tlb. */ - gmap_flush_tlb(gmap); /* Remove all shadow gmaps linked to this gmap */ if (!list_empty(&gmap->children)) { spin_lock(&gmap->shadow_lock); list_for_each_entry_safe(sg, next, &gmap->children, list) { - gmap_flush_tlb(sg); list_del(&sg->list); gmap_put(sg); } @@ -1360,6 +1360,7 @@ static void gmap_unshadow(struct gmap *sg) return; sg->removed = 1; gmap_call_notifier(sg, 0, -1UL); + gmap_flush_tlb(sg); table = (unsigned long *)(sg->asce & _ASCE_ORIGIN); switch (sg->asce & _ASCE_TYPE_MASK) { case _ASCE_TYPE_REGION1: |