Commit 2c9e8c01 authored by Nicolin Chen's avatar Nicolin Chen Committed by Alex Williamson
Browse files

drm/i915/gvt: Replace roundup with DIV_ROUND_UP 



It's a bit redundant for the maths here using roundup.

Suggested-by: default avatarJason Gunthorpe <jgg@nvidia.com>
Tested-by: default avatarTerrence Xu <terrence.xu@intel.com>
Signed-off-by: default avatarNicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/r/20220723020256.30081-3-nicolinc@nvidia.com


Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent e8f90717

drivers/gpu/drm/i915/gvt/kvmgt.c

+2 −5
Original line number Diff line number Diff line
@@ -231,11 +231,9 @@ static void intel_gvt_cleanup_vgpu_type_groups(struct intel_gvt *gvt) 
static void gvt_unpin_guest_page(struct intel_vgpu *vgpu, unsigned long gfn,

		unsigned long size)

{

	int total_pages;

	int total_pages = DIV_ROUND_UP(size, PAGE_SIZE);

	int npage;



	total_pages = roundup(size, PAGE_SIZE) / PAGE_SIZE;



	for (npage = 0; npage < total_pages; npage++) {

		unsigned long cur_gfn = gfn + npage;
@@ -247,12 +245,11 @@ static void gvt_unpin_guest_page(struct intel_vgpu *vgpu, unsigned long gfn, 
static int gvt_pin_guest_page(struct intel_vgpu *vgpu, unsigned long gfn,

		unsigned long size, struct page **page)

{

	int total_pages = DIV_ROUND_UP(size, PAGE_SIZE);

	unsigned long base_pfn = 0;

	int total_pages;

	int npage;

	int ret;



	total_pages = roundup(size, PAGE_SIZE) / PAGE_SIZE;

	/*

	 * We pin the pages one-by-one to avoid allocating a big arrary

	 * on stack to hold pfns.