| # | Line 204 | Line 204 | rmx_load_double(RMATRIX *rm, FILE *fp) | |
|---|---|---|
| 204 | int i; | |
| 205 | #ifdef MAP_FILE | |
| 206 | long pos; /* map memory to file if possible */ | |
| 207 | < | if (!rm->swapin && (pos = ftell(fp)) >= 0 && !(pos % sizeof(double))) { |
| 207 | > | if (!rm->swapin && array_size(rm) >= 1L<<20 && |
| 208 | > | (pos = ftell(fp)) >= 0 && !(pos % sizeof(double))) { |
| 209 | rm->mapped = mmap(NULL, array_size(rm)+pos, PROT_READ|PROT_WRITE, | |
| 210 | MAP_PRIVATE, fileno(fp), 0); | |
| 211 | if (rm->mapped != MAP_FAILED) { | |
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