| Message ID | 1464712565-14857-8-git-send-email-lvivier@redhat.com |
|---|---|
| State | New |
| Headers | show |
On Tue, 31 May 2016, Laurent Vivier wrote: > 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> > hw/display/xenfb.c | 4 ++-- > xen-hvm.c | 2 +- > 2 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/hw/display/xenfb.c b/hw/display/xenfb.c > index 9866dfd..570b097 100644 > --- a/hw/display/xenfb.c > +++ b/hw/display/xenfb.c > @@ -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); > diff --git a/xen-hvm.c b/xen-hvm.c > index 01ee25d..a0da8d7 100644 > --- a/xen-hvm.c > +++ b/xen-hvm.c > @@ -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; > > -- > 2.5.5 >
diff --git a/hw/display/xenfb.c b/hw/display/xenfb.c index 9866dfd..570b097 100644 --- a/hw/display/xenfb.c +++ b/hw/display/xenfb.c @@ -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); diff --git a/xen-hvm.c b/xen-hvm.c index 01ee25d..a0da8d7 100644 --- a/xen-hvm.c +++ b/xen-hvm.c @@ -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;
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> --- hw/display/xenfb.c | 4 ++-- xen-hvm.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)