Commit db340b02 authored by Pedro Demarchi Gomes's avatar Pedro Demarchi Gomes Committed by Joerg Roedel
Browse files

iommu/pages: use folio_nr_pages() instead of shift operation 



folio_nr_pages() is a faster helper function to get the number of pages when
NR_PAGES_IN_LARGE_FOLIO is enabled.

Signed-off-by: default avatarPedro Demarchi Gomes <pedrodemargomes@gmail.com>
Reviewed-by: default avatarJason Gunthorpe <jgg@nvidia.com>
Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent dcb6fa37

drivers/iommu/iommu-pages.c

+1 −1
Original line number Diff line number Diff line
@@ -80,7 +80,7 @@ EXPORT_SYMBOL_GPL(iommu_alloc_pages_node_sz); 
static void __iommu_free_desc(struct ioptdesc *iopt)

{

	struct folio *folio = ioptdesc_folio(iopt);

	const unsigned long pgcnt = 1UL << folio_order(folio);

	const unsigned long pgcnt = folio_nr_pages(folio);



	mod_node_page_state(folio_pgdat(folio), NR_IOMMU_PAGES, -pgcnt);

	lruvec_stat_mod_folio(folio, NR_SECONDARY_PAGETABLE, -pgcnt);