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Diffstat (limited to 'lib/slab.c')
-rw-r--r--lib/slab.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/lib/slab.c b/lib/slab.c
index 8d16c433..70aa776a 100644
--- a/lib/slab.c
+++ b/lib/slab.c
@@ -152,6 +152,7 @@ slab_memsize(resource *r)
struct slab {
resource r;
+ pool *p;
uint obj_size, head_size, head_bitfield_len;
uint objs_per_slab, num_empty_heads, data_size;
list empty_heads, partial_heads, full_heads;
@@ -191,6 +192,7 @@ slab *
sl_new(pool *p, uint size)
{
slab *s = ralloc(p, &sl_class);
+ s->p = p;
uint align = sizeof(struct sl_alignment);
if (align < sizeof(int))
align = sizeof(int);
@@ -199,7 +201,6 @@ sl_new(pool *p, uint size)
s->obj_size = size;
s->head_size = sizeof(struct sl_head);
- u64 page_size = get_page_size();
do {
s->objs_per_slab = (page_size - s->head_size) / size;
@@ -268,9 +269,9 @@ no_partial:
s->num_empty_heads--;
goto okay;
}
- h = alloc_page();
+ h = alloc_page(s->p);
#ifdef POISON
- memset(h, 0xba, get_page_size());
+ memset(h, 0xba, page_size);
#endif
ASSERT_DIE(SL_GET_HEAD(h) == h);
memset(h, 0, s->head_size);
@@ -329,9 +330,9 @@ sl_free(slab *s, void *oo)
if (s->num_empty_heads >= MAX_EMPTY_HEADS)
{
#ifdef POISON
- memset(h, 0xde, get_page_size());
+ memset(h, 0xde, page_size);
#endif
- free_page(h);
+ free_page(s->p, h);
}
else
{
@@ -348,11 +349,11 @@ slab_free(resource *r)
struct sl_head *h, *g;
WALK_LIST_DELSAFE(h, g, s->empty_heads)
- free_page(h);
+ free_page(s->p, h);
WALK_LIST_DELSAFE(h, g, s->partial_heads)
- free_page(h);
+ free_page(s->p, h);
WALK_LIST_DELSAFE(h, g, s->full_heads)
- free_page(h);
+ free_page(s->p, h);
}
static void
@@ -385,7 +386,8 @@ slab_memsize(resource *r)
WALK_LIST(h, s->full_heads)
heads++;
- return ALLOC_OVERHEAD + sizeof(struct slab) + heads * (ALLOC_OVERHEAD + get_page_size());
+// return ALLOC_OVERHEAD + sizeof(struct slab) + heads * (ALLOC_OVERHEAD + page_size);
+ return ALLOC_OVERHEAD + sizeof(struct slab); /* The page sizes are accounted for in the pool */
}
static resource *
@@ -395,10 +397,10 @@ slab_lookup(resource *r, unsigned long a)
struct sl_head *h;
WALK_LIST(h, s->partial_heads)
- if ((unsigned long) h < a && (unsigned long) h + get_page_size() < a)
+ if ((unsigned long) h < a && (unsigned long) h + page_size < a)
return r;
WALK_LIST(h, s->full_heads)
- if ((unsigned long) h < a && (unsigned long) h + get_page_size() < a)
+ if ((unsigned long) h < a && (unsigned long) h + page_size < a)
return r;
return NULL;
}