=================================================================== RCS file: /home/cvs/OpenXM_contrib/gc/Attic/gc_hdrs.h,v retrieving revision 1.1.1.1 retrieving revision 1.1.1.2 diff -u -p -r1.1.1.1 -r1.1.1.2 --- OpenXM_contrib/gc/Attic/gc_hdrs.h 1999/11/27 10:58:32 1.1.1.1 +++ OpenXM_contrib/gc/Attic/gc_hdrs.h 2000/04/14 11:07:59 1.1.1.2 @@ -49,14 +49,16 @@ typedef struct bi { hdr * index[BOTTOM_SZ]; /* * The bottom level index contains one of three kinds of values: - * 0 means we're not responsible for this block. + * 0 means we're not responsible for this block, + * or this is a block other than the first one in a free block. * 1 < (long)X <= MAX_JUMP means the block starts at least * X * HBLKSIZE bytes before the current address. * A valid pointer points to a hdr structure. (The above can't be * valid pointers due to the GET_MEM return convention.) */ struct bi * asc_link; /* All indices are linked in */ - /* ascending order. */ + /* ascending order... */ + struct bi * desc_link; /* ... and in descending order. */ word key; /* high order address bits. */ # ifdef HASH_TL struct bi * hash_link; /* Hash chain link. */