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Rev 1663 Rev 1719
Line 2928... Line 2928...
2928
      if (!is_extern_segment(sp)) {
2928
      if (!is_extern_segment(sp)) {
2929
        if (is_mmapped_segment(sp)) {
2929
        if (is_mmapped_segment(sp)) {
2930
          if (HAVE_MMAP &&
2930
          if (HAVE_MMAP &&
2931
              sp->size >= extra &&
2931
              sp->size >= extra &&
2932
              !has_segment_link(m, sp)) { /* can't shrink if pinned */
2932
              !has_segment_link(m, sp)) { /* can't shrink if pinned */
2933
            size_t newsize = sp->size - extra;
-
 
2934
            /* Prefer mremap, fall back to munmap */
2933
            /* Prefer mremap, fall back to munmap */
2935
            if ((CALL_MREMAP(sp->base, sp->size, newsize, 0) != MFAIL) ||
2934
            if ((CALL_MREMAP(sp->base, sp->size, sp->size - extra, 0) != MFAIL) ||
2936
                (CALL_MUNMAP(sp->base + newsize, extra) == 0)) {
2935
                (CALL_MUNMAP(sp->base + sp->size - extra, extra) == 0)) {
2937
              released = extra;
2936
              released = extra;
2938
            }
2937
            }
2939
          }
2938
          }
2940
        }
2939
        }
2941
        else if (HAVE_MORECORE) {
2940
        else if (HAVE_MORECORE) {