Make dm_vcalloc use kvmalloc, so that smaller allocations are done with
kmalloc (which is faster).
Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
---
drivers/md/dm-snap-persistent.c | 2 +-
drivers/md/dm-snap.c | 2 +-
drivers/md/dm-table.c | 8 ++++----
3 files changed, 6 insertions(+), 6 deletions(-)
Index: linux-4.2-rc1/drivers/md/dm-snap-persistent.c
===================================================================
--- linux-4.2-rc1.orig/drivers/md/dm-snap-persistent.c 2015-07-07 15:50:23.000000000 +0200
+++ linux-4.2-rc1/drivers/md/dm-snap-persistent.c 2015-07-07 15:59:43.000000000 +0200
@@ -600,7 +600,7 @@ static void persistent_dtr(struct dm_exc
free_area(ps);
/* Allocated in persistent_read_metadata */
- vfree(ps->callbacks);
+ kvfree(ps->callbacks);
kfree(ps);
}
Index: linux-4.2-rc1/drivers/md/dm-snap.c
===================================================================
--- linux-4.2-rc1.orig/drivers/md/dm-snap.c 2015-07-07 15:50:23.000000000 +0200
+++ linux-4.2-rc1/drivers/md/dm-snap.c 2015-07-07 15:59:43.000000000 +0200
@@ -633,7 +633,7 @@ static void dm_exception_table_exit(stru
kmem_cache_free(mem, ex);
}
- vfree(et->table);
+ kvfree(et->table);
}
static uint32_t exception_hash(struct dm_exception_table *et, chunk_t chunk)
Index: linux-4.2-rc1/drivers/md/dm-table.c
===================================================================
--- linux-4.2-rc1.orig/drivers/md/dm-table.c 2015-07-07 15:50:25.000000000 +0200
+++ linux-4.2-rc1/drivers/md/dm-table.c 2015-07-07 15:59:43.000000000 +0200
@@ -143,7 +143,7 @@ void *dm_vcalloc(unsigned long nmemb, un
return NULL;
size = nmemb * elem_size;
- addr = vzalloc(size);
+ addr = kvmalloc(size, GFP_KERNEL | __GFP_ZERO);
return addr;
}
@@ -171,7 +171,7 @@ static int alloc_targets(struct dm_table
n_targets = (struct dm_target *) (n_highs + num);
memset(n_highs, -1, sizeof(*n_highs) * num);
- vfree(t->highs);
+ kvfree(t->highs);
t->num_allocated = num;
t->highs = n_highs;
@@ -235,7 +235,7 @@ void dm_table_destroy(struct dm_table *t
/* free the indexes */
if (t->depth >= 2)
- vfree(t->index[t->depth - 2]);
+ kvfree(t->index[t->depth - 2]);
/* free the targets */
for (i = 0; i < t->num_targets; i++) {
@@ -247,7 +247,7 @@ void dm_table_destroy(struct dm_table *t
dm_put_target_type(tgt->type);
}
- vfree(t->highs);
+ kvfree(t->highs);
/* free the device list */
free_devices(&t->devices, t->md);
--
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