The patch titled SLUB: fix sysfs refcounting has been removed from the -mm tree. Its filename was slub-fix-sysfs-refcounting.patch This patch was dropped because it is obsolete The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: SLUB: fix sysfs refcounting From: Christoph Lameter <clameter@xxxxxxx> If CONFIG_SYSFS is set then free the kmem_cache structure when sysfs tells us its okay. Signed-off-by: Christoph Lameter <clameter@xxxxxxx> Reviewed-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/slub.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff -puN mm/slub.c~slub-fix-sysfs-refcounting mm/slub.c --- a/mm/slub.c~slub-fix-sysfs-refcounting +++ a/mm/slub.c @@ -218,7 +218,10 @@ static void sysfs_slab_remove(struct kme static inline int sysfs_slab_add(struct kmem_cache *s) { return 0; } static inline int sysfs_slab_alias(struct kmem_cache *s, const char *p) { return 0; } -static inline void sysfs_slab_remove(struct kmem_cache *s) {} +static inline void sysfs_slab_remove(struct kmem_cache *s) +{ + kfree(s); +} #endif /******************************************************************** @@ -2488,7 +2491,6 @@ void kmem_cache_destroy(struct kmem_cach if (kmem_cache_close(s)) WARN_ON(1); sysfs_slab_remove(s); - kfree(s); } else up_write(&slub_lock); } @@ -4114,6 +4116,13 @@ static ssize_t slab_attr_store(struct ko return err; } +static void kmem_cache_release(struct kobject *kobj) +{ + struct kmem_cache *s = to_slab(kobj); + + kfree(s); +} + static struct sysfs_ops slab_sysfs_ops = { .show = slab_attr_show, .store = slab_attr_store, @@ -4121,6 +4130,7 @@ static struct sysfs_ops slab_sysfs_ops = static struct kobj_type slab_ktype = { .sysfs_ops = &slab_sysfs_ops, + .release = kmem_cache_release }; static int uevent_filter(struct kset *kset, struct kobject *kobj) @@ -4222,6 +4232,7 @@ static void sysfs_slab_remove(struct kme { kobject_uevent(&s->kobj, KOBJ_REMOVE); kobject_del(&s->kobj); + kobject_put(&s->kobj); } /* _ Patches currently in -mm which might be from clameter@xxxxxxx are origin.patch pagecache-zeroing-zero_user_segment-zero_user_segments-and-zero_user.patch move-vmalloc_to_page-to-mm-vmalloc.patch vmalloc-add-const-to-void-parameters.patch i386-resolve-dependency-of-asm-i386-pgtableh-on-highmemh.patch is_vmalloc_addr-check-if-an-address-is-within-the-vmalloc-boundaries.patch vmalloc-clean-up-page-array-indexing.patch slub-fix-sysfs-refcounting.patch vm-allow-get_page_unless_zero-on-compound-pages.patch bufferhead-revert-constructor-removal.patch swapin_readahead-excise-numa-bogosity.patch page-allocator-clean-up-pcp-draining-functions.patch vmstat-small-revisions-to-refresh_cpu_vm_stats.patch page-allocator-get-rid-of-the-list-of-cold-pages.patch vmstat-remove-prefetch.patch set_page_refcounted-vm_bug_on-fix.patch page-migraton-handle-orphaned-pages.patch mm-fix-section-mismatch-warning-in-sparsec.patch gregkh-driver-kset-move-sys-slab-to-sys-kernel-slab-slabinfo-fallback-from-sys-kernel-slab-to-sys-slab.patch git-unionfs.patch git-newsetup.patch percpu-__percpu_alloc_mask-can-dynamically-size-percpu_data.patch memcontrol-move-oom-task-exclusion-to-tasklist.patch oom-add-sysctl-to-enable-task-memory-dump.patch add-cmpxchg_local-to-asm-generic-for-per-cpu-atomic-operations.patch add-cmpxchg_local-cmpxchg64-and-cmpxchg64_local-to-ia64.patch dentries-extract-common-code-to-remove-dentry-from-lru.patch dentries-extract-common-code-to-remove-dentry-from-lru-fix.patch modules-handle-symbols-that-have-a-zero-value.patch modules-include-sectionsh-to-avoid-defining-linker-variables.patch reiser4.patch reiser4-portion-of-zero_user-cleanup-patch.patch page-owner-tracking-leak-detector.patch - To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html