Move the counting function for objects in partial slabs so that it is placed before kmem_cache_shrink. We will need to use it to establish the fragmentation ratio of per node slab lists. Signed-off-by: Christoph Lameter <[email protected]> --- mm/slub.c | 26 +++++++++++++------------- 1 files changed, 13 insertions(+), 13 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 45c76fe..aad6f83 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2595,6 +2595,19 @@ void kfree(const void *x) } EXPORT_SYMBOL(kfree); +static unsigned long count_partial(struct kmem_cache_node *n) +{ + unsigned long flags; + unsigned long x = 0; + struct page *page; + + spin_lock_irqsave(&n->list_lock, flags); + list_for_each_entry(page, &n->partial, lru) + x += page->inuse; + spin_unlock_irqrestore(&n->list_lock, flags); + return x; +} + /* * kmem_cache_shrink removes empty slabs from the partial lists and sorts * the remaining slabs by the number of items in use. The slabs with the @@ -3331,19 +3344,6 @@ static int list_locations(struct kmem_cache *s, char *buf, return n; } -static unsigned long count_partial(struct kmem_cache_node *n) -{ - unsigned long flags; - unsigned long x = 0; - struct page *page; - - spin_lock_irqsave(&n->list_lock, flags); - list_for_each_entry(page, &n->partial, lru) - x += page->inuse; - spin_unlock_irqrestore(&n->list_lock, flags); - return x; -} - enum slab_stat_type { SL_FULL, SL_PARTIAL, -- 1.5.2.4 -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- References:
- [RFC 00/26] Slab defragmentation V5
- From: Christoph Lameter <[email protected]>
- [RFC 00/26] Slab defragmentation V5
- Prev by Date: Re: maturity and status and attributes, oh my!
- Next by Date: [RFC 00/26] Slab defragmentation V5
- Previous by thread: [RFC 00/26] Slab defragmentation V5
- Next by thread: [RFC 05/26] SLUB: Replace ctor field with ops field in /sys/slab/:0000008 /sys/slab/:0000016 /sys/slab/:0000024 /sys/slab/:0000032 /sys/slab/:0000040 /sys/slab/:0000048 /sys/slab/:0000056 /sys/slab/:0000064 /sys/slab/:0000072 /sys/slab/:0000080 /sys/slab/:0000088 /sys/slab/:0000096 /sys/slab/:0000104 /sys/slab/:0000128 /sys/slab/:0000144 /sys/slab/:0000184 /sys/slab/:0000192 /sys/slab/:0000216 /sys/slab/:0000256 /sys/slab/:0000344 /sys/slab/:0000384 /sys/slab/:0000448 /sys/slab/:0000512 /sys/slab/:0000768 /sys/slab/:0000920 /sys/slab/:0001024 /sys/slab/:0001152 /sys/slab/:0001344 /sys/slab/:0001536 /sys/slab/:0002048 /sys/slab/:0003072 /sys/slab/:0004096 /sys/slab/:a-0000056 /sys/slab/:a-0000080 /sys/slab/:a-0000128 /sys/slab/Acpi-Namespace /sys/slab/Acpi-Operand /sys/slab/Acpi-Parse /sys/slab/Acpi-ParseExt /sys/slab/Acpi-State /sys/slab/RAW /sys/slab/TCP /sys/slab/UDP /sys/slab/UDP-Lite /sys/slab/UNIX /sys/slab/anon_vma /sys/slab/arp_cache /sys/slab/bdev_cache /sys/ slab/bio /sys/slab/biovec-1 /sys/slab/biovec-128 /sys/slab/biovec-16 /sys/slab/biovec-256 /sys/slab/biovec-4 /sys/slab/biovec-64 /sys/slab/blkdev_ioc /sys/slab/blkdev_queue /sys/slab/blkdev_requests /sys/slab/buffer_head /sys/slab/cfq_io_context /sys/slab/cfq_queue /sys/slab/dentry /sys/slab/eventpoll_epi /sys/slab/eventpoll_pwq /sys/slab/ext2_inode_cache /sys/slab/ext3_inode_cache /sys/slab/fasync_cache /sys/slab/file_lock_cache /sys/slab/files_cache /sys/slab/filp /sys/slab/flow_cache /sys/slab/fs_cache /sys/slab/idr_layer_cache /sys/slab/inet_peer_cache /sys/slab/inode_cache /sys/slab/inotify_event_cache /sys/slab/inotify_watch_cache /sys/slab/ip_dst_cache /sys/slab/ip_fib_alias /sys/slab/ip_fib_hash /sys/slab/jbd_1k /sys/slab/jbd_4k /sys/slab/journal_handle /sys/slab/journal_head /sys/slab/kiocb /sys/slab/kioctx /sys/slab/kmalloc-1024 /sys/slab/kmalloc-128 /sys/slab/kmalloc-16 /sys/slab/kmalloc-192 /sys/slab/kmalloc-2048 /sys/slab/kmalloc-256 /sys/slab/kmalloc-32 /sys/sl ab/kmalloc-512 /sys/slab/kmalloc-64 /sys/slab/kmalloc-8 /sys/slab/kmalloc-96 /sys/slab/mm_struct /sys/slab/mnt_cache /sys/slab/mqueue_inode_cache /sys/slab/names_cache /sys/slab/nfs_direct_cache /sys/slab/nfs_inode_cache /sys/slab/nfs_page /sys/slab/nfs_read_data /sys/slab/nfs_write_data /sys/slab/nfsd4_delegations /sys/slab/nfsd4_files /sys/slab/nfsd4_stateids /sys/slab/nfsd4_stateowners /sys/slab/nsproxy /sys/slab/pid /sys/slab/posix_timers_cache /sys/slab/proc_inode_cache /sys/slab/radix_tree_node /sys/slab/request_sock_TCP /sys/slab/revoke_record /sys/slab/revoke_table /sys/slab/rpc_buffers /sys/slab/rpc_inode_cache /sys/slab/rpc_tasks /sys/slab/scsi_cmd_cache /sys/slab/scsi_io_context /sys/slab/secpath_cache /sys/slab/sgpool-128 /sys/slab/sgpool-16 /sys/slab/sgpool-32 /sys/slab/sgpool-64 /sys/slab/sgpool-8 /sys/slab/shmem_inode_cache /sys/slab/sighand_cache /sys/slab/signal_cache /sys/slab/sigqueue /sys/slab/skbuff_fclone_cache /sys/slab/skbuff_head_cache /sys/slab/sock _inode_cache /sys/slab/sysfs_dir_cache /sys/slab/task_struct /sys/slab/tcp_bind_bucket /sys/slab/tw_sock_TCP /sys/slab/uhci_urb_priv /sys/slab/uid_cache /sys/slab/vm_area_struct /sys/slab/xfrm_dst_cache
- Index(es):
 |