lib/memprof/memprof_allocator.cpp

224   uptr shadow_beg = MEM_TO_SHADOW(addr);
226   if (shadow_end - shadow_beg < common_flags()->clear_shadow_mmap_threshold) {
227     REAL(memset)((void *)shadow_beg, 0, shadow_end - shadow_beg);
230     uptr page_beg = RoundUpTo(shadow_beg, page_size);
234       REAL(memset)((void *)shadow_beg, 0, shadow_end - shadow_beg);
236       if (page_beg != shadow_beg) {
237         REAL(memset)((void *)shadow_beg, 0, page_beg - shadow_beg);