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Commit 2320c579 authored by Martin Schwidefsky's avatar Martin Schwidefsky
Browse files

[S390] incorrect PageTables counter for kvm page tables 



The page_table_free_pgste function is used for kvm processes to free page
tables that have the pgste extension. It calls pgtable_page_ctor instead of
pgtable_page_dtor which increases NR_PAGETABLE instead of decreasing it.

Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent f3612304

arch/s390/mm/pgtable.c

+1 −1
Original line number Diff line number Diff line
@@ -574,7 +574,7 @@ static inline void page_table_free_pgste(unsigned long *table) 
	page = pfn_to_page(__pa(table) >> PAGE_SHIFT);

	mp = (struct gmap_pgtable *) page->index;

	BUG_ON(!list_empty(&mp->mapper));

	pgtable_page_ctor(page);

	pgtable_page_dtor(page);

	atomic_set(&page->_mapcount, -1);

	kfree(mp);

	__free_page(page);