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-rw-r--r--softmmu/dirtylimit.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/softmmu/dirtylimit.c b/softmmu/dirtylimit.c
index 71bf6dc..015a903 100644
--- a/softmmu/dirtylimit.c
+++ b/softmmu/dirtylimit.c
@@ -235,20 +235,15 @@ bool dirtylimit_vcpu_index_valid(int cpu_index)
static uint64_t dirtylimit_dirty_ring_full_time(uint64_t dirtyrate)
{
static uint64_t max_dirtyrate;
- unsigned target_page_bits = qemu_target_page_bits();
- uint64_t dirty_ring_size_MB;
+ uint64_t dirty_ring_size_MiB;
- /* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */
- assert(target_page_bits < 20);
-
- /* Convert ring size (pages) to MiB (2**20). */
- dirty_ring_size_MB = kvm_dirty_ring_size() >> (20 - target_page_bits);
+ dirty_ring_size_MiB = qemu_target_pages_to_MiB(kvm_dirty_ring_size());
if (max_dirtyrate < dirtyrate) {
max_dirtyrate = dirtyrate;
}
- return dirty_ring_size_MB * 1000000 / max_dirtyrate;
+ return dirty_ring_size_MiB * 1000000 / max_dirtyrate;
}
static inline bool dirtylimit_done(uint64_t quota,