syscalls: fix npages

ffwff · Sep 6, 2019 · 2befb3c · 2befb3c
1 parent 11a7243
commit 2befb3c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/userspace/syscalls.cr b/src/userspace/syscalls.cr
@@ -534,7 +534,7 @@ module Syscall
             return
           end
         end
-        npages = incr / 0x1000
+        npages = (incr >> 12) + 1
         Paging.alloc_page_pg(mmap_heap.end_addr, true, true, npages: npages.to_u64)
         mmap_heap.size += incr
       elsif incr == 0 && mmap_heap.size == 0u64