···3737// the kernel can hand out mmap addresses above the 47-bit NaN-boxing ceiling.
3838// ant_mmap_low() probes the low VA range with MAP_FIXED_NOREPLACE
3939// before falling back to an unpinned mmap. only needed on Linux
4040-#ifdef __linux__s
4040+#ifdef __linux__
41414242#ifndef MAP_FIXED_NOREPLACE
4343#define MAP_FIXED_NOREPLACE 0x100000