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xen: Use DIV_ROUND_UP 

Replace (((n) + (d) - 1) /(d)) by DIV_ROUND_UP(n,d).

This patch is the result of coccinelle script
scripts/coccinelle/round.cocci

CC: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Laurent Vivier 2016-05-31 18:35:56 +02:00 committed by Michael Tokarev
parent 207ba7c885
commit d0448de7f6
2 changed files with 3 additions and 3 deletions
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4
hw/display/xenfb.c
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@ -472,9 +472,9 @@ static int xenfb_map_fb(struct XenFB *xenfb)
xenfb->pixels = NULL;
}
xenfb->fbpages = (xenfb->fb_len + (XC_PAGE_SIZE - 1)) / XC_PAGE_SIZE;
xenfb->fbpages = DIV_ROUND_UP(xenfb->fb_len, XC_PAGE_SIZE);
n_fbdirs = xenfb->fbpages * mode / 8;
n_fbdirs = (n_fbdirs + (XC_PAGE_SIZE - 1)) / XC_PAGE_SIZE;
n_fbdirs = DIV_ROUND_UP(n_fbdirs, XC_PAGE_SIZE);
pgmfns = g_malloc0(sizeof(xen_pfn_t) * n_fbdirs);
fbmfns = g_malloc0(sizeof(xen_pfn_t) * xenfb->fbpages);

2
xen-hvm.c
View File

@ -567,7 +567,7 @@ static void xen_sync_dirty_bitmap(XenIOState *state,
{
hwaddr npages = size >> TARGET_PAGE_BITS;
const int width = sizeof(unsigned long) * 8;
unsigned long bitmap[(npages + width - 1) / width];
unsigned long bitmap[DIV_ROUND_UP(npages, width)];
int rc, i, j;
const XenPhysmap *physmap = NULL;