diff options
| -rw-r--r-- | ext2fs/pokel.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/ext2fs/pokel.c b/ext2fs/pokel.c index 140e6f76..3131bc63 100644 --- a/ext2fs/pokel.c +++ b/ext2fs/pokel.c @@ -35,12 +35,11 @@ void pokel_add (struct pokel *pokel, void *loc, vm_size_t length) { struct poke *pl; - vm_offset_t offset, end; - - offset = loc - pokel->image; - offset = trunc_page (offset); - length = round_page (offset + length) - offset; - end = length - offset; + vm_offset_t offset = trunc_page (loc - pokel->image); + vm_offset_t end = round_page (loc + length - pokel->image); + + printf ("pokel_add (%p, %p, %lu) [%lu, %lu]\n", + pokel, loc, length, offset, end); spin_lock (&pokel->lock); @@ -50,7 +49,9 @@ pokel_add (struct pokel *pokel, void *loc, vm_size_t length) vm_offset_t p_offs = pl->offset; vm_size_t p_end = p_offs + pl->length; - if (p_end >= offset && end >= p_offs) + if (p_offs == offset && p_end == end) + break; + else if (p_end >= offset && end >= p_offs) { pl->offset = offset < p_offs ? offset : p_offs; pl->length = (end > p_end ? end : p_end) - pl->offset; @@ -70,10 +71,10 @@ pokel_add (struct pokel *pokel, void *loc, vm_size_t length) else pokel->free_pokes = pl->next; pl->offset = offset; - pl->length = length; + pl->length = end - offset; pl->next = pokel->pokes; pokel->pokes = pl; - printf ("Added %d[%d] to pokel %p\n", offset, length, pokel); + printf ("Added %d[%d] to pokel %p\n", offset, end - offset, pokel); } spin_unlock (&pokel->lock); |