@@ -206,11 +206,13 @@ static inline void gnttab_flush_tlb(cons
static inline unsigned int
num_act_frames_from_sha_frames(const unsigned int num)
{
- /* How many frames are needed for the active grant table,
- * given the size of the shared grant table? */
+ /*
+ * How many frames are needed for the active grant table,
+ * given the size of the shared grant table?
+ */
unsigned int sha_per_page = PAGE_SIZE / sizeof(grant_entry_v1_t);
- unsigned int num_sha_entries = num * sha_per_page;
- return (num_sha_entries + (ACGNT_PER_PAGE - 1)) / ACGNT_PER_PAGE;
+
+ return DIV_ROUND_UP(num * sha_per_page, ACGNT_PER_PAGE);
}
#define max_nr_active_grant_frames \
Also adjust formatting of nearby code. Signed-off-by: Jan Beulich <jbeulich@suse.com>