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Add warnings for missing disks with various projects.
[pintos-anon]
/
src
/
threads
/
malloc.c
diff --git
a/src/threads/malloc.c
b/src/threads/malloc.c
index 487e93875ef4124ac314a7355429d4c2a632d1ab..20773548d9ee2499b68a22e89e3b222694ef985c 100644
(file)
--- a/
src/threads/malloc.c
+++ b/
src/threads/malloc.c
@@
-228,8
+228,16
@@
static struct arena *
block_to_arena (struct block *b)
{
struct arena *a = pg_round_down (b);
block_to_arena (struct block *b)
{
struct arena *a = pg_round_down (b);
+
+ /* Check that the arena is valid. */
ASSERT (a != NULL);
ASSERT (a->magic == ARENA_MAGIC);
ASSERT (a != NULL);
ASSERT (a->magic == ARENA_MAGIC);
+
+ /* Check that the block is properly aligned for the arena. */
+ ASSERT (a->desc == NULL
+ || (pg_ofs (b) - sizeof *a) % a->desc->block_size == 0);
+ ASSERT (a->desc != NULL || pg_ofs (b) == sizeof *a);
+
return a;
}
return a;
}