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aac3a1664a
This reverts commit 96d17b7be0 which
caused the following errors at boot:
[ 1.114885] kobject (ffff88001a802578): tried to init an initialized object, something is seriously wrong.
[ 1.114885] Pid: 1, comm: swapper/0 Tainted: G W 3.6.0-rc1+ #6
[ 1.114885] Call Trace:
[ 1.114885] [<ffffffff81273f37>] kobject_init+0x87/0xa0
[ 1.115555] [<ffffffff8127426a>] kobject_init_and_add+0x2a/0x90
[ 1.115555] [<ffffffff8127c870>] ? sprintf+0x40/0x50
[ 1.115555] [<ffffffff81124c60>] sysfs_slab_add+0x80/0x210
[ 1.115555] [<ffffffff81100175>] kmem_cache_create+0xa5/0x250
[ 1.115555] [<ffffffff81cf24cd>] ? md_init+0x144/0x144
[ 1.115555] [<ffffffff81cf25b6>] local_init+0xa4/0x11b
[ 1.115555] [<ffffffff81cf24e1>] dm_init+0x14/0x45
[ 1.115836] [<ffffffff810001ba>] do_one_initcall+0x3a/0x160
[ 1.116834] [<ffffffff81cc2c90>] kernel_init+0x133/0x1b7
[ 1.117835] [<ffffffff81cc25c4>] ? do_early_param+0x86/0x86
[ 1.117835] [<ffffffff8171aff4>] kernel_thread_helper+0x4/0x10
[ 1.118401] [<ffffffff81cc2b5d>] ? start_kernel+0x33f/0x33f
[ 1.119832] [<ffffffff8171aff0>] ? gs_change+0xb/0xb
[ 1.120325] ------------[ cut here ]------------
[ 1.120835] WARNING: at fs/sysfs/dir.c:536 sysfs_add_one+0xc1/0xf0()
[ 1.121437] sysfs: cannot create duplicate filename '/kernel/slab/:t-0000016'
[ 1.121831] Modules linked in:
[ 1.122138] Pid: 1, comm: swapper/0 Tainted: G W 3.6.0-rc1+ #6
[ 1.122831] Call Trace:
[ 1.123074] [<ffffffff81195ce1>] ? sysfs_add_one+0xc1/0xf0
[ 1.123833] [<ffffffff8103adfa>] warn_slowpath_common+0x7a/0xb0
[ 1.124405] [<ffffffff8103aed1>] warn_slowpath_fmt+0x41/0x50
[ 1.124832] [<ffffffff81195ce1>] sysfs_add_one+0xc1/0xf0
[ 1.125337] [<ffffffff81195eb3>] create_dir+0x73/0xd0
[ 1.125832] [<ffffffff81196221>] sysfs_create_dir+0x81/0xe0
[ 1.126363] [<ffffffff81273d3d>] kobject_add_internal+0x9d/0x210
[ 1.126832] [<ffffffff812742a3>] kobject_init_and_add+0x63/0x90
[ 1.127406] [<ffffffff81124c60>] sysfs_slab_add+0x80/0x210
[ 1.127832] [<ffffffff81100175>] kmem_cache_create+0xa5/0x250
[ 1.128384] [<ffffffff81cf24cd>] ? md_init+0x144/0x144
[ 1.128833] [<ffffffff81cf25b6>] local_init+0xa4/0x11b
[ 1.129831] [<ffffffff81cf24e1>] dm_init+0x14/0x45
[ 1.130305] [<ffffffff810001ba>] do_one_initcall+0x3a/0x160
[ 1.130831] [<ffffffff81cc2c90>] kernel_init+0x133/0x1b7
[ 1.131351] [<ffffffff81cc25c4>] ? do_early_param+0x86/0x86
[ 1.131830] [<ffffffff8171aff4>] kernel_thread_helper+0x4/0x10
[ 1.132392] [<ffffffff81cc2b5d>] ? start_kernel+0x33f/0x33f
[ 1.132830] [<ffffffff8171aff0>] ? gs_change+0xb/0xb
[ 1.133315] ---[ end trace 2703540871c8fab7 ]---
[ 1.133830] ------------[ cut here ]------------
[ 1.134274] WARNING: at lib/kobject.c:196 kobject_add_internal+0x1f5/0x210()
[ 1.134829] kobject_add_internal failed for :t-0000016 with -EEXIST, don't try to register things with the same name in the same directory.
[ 1.135829] Modules linked in:
[ 1.136135] Pid: 1, comm: swapper/0 Tainted: G W 3.6.0-rc1+ #6
[ 1.136828] Call Trace:
[ 1.137071] [<ffffffff81273e95>] ? kobject_add_internal+0x1f5/0x210
[ 1.137830] [<ffffffff8103adfa>] warn_slowpath_common+0x7a/0xb0
[ 1.138402] [<ffffffff8103aed1>] warn_slowpath_fmt+0x41/0x50
[ 1.138830] [<ffffffff811955a3>] ? release_sysfs_dirent+0x73/0xf0
[ 1.139419] [<ffffffff81273e95>] kobject_add_internal+0x1f5/0x210
[ 1.139830] [<ffffffff812742a3>] kobject_init_and_add+0x63/0x90
[ 1.140429] [<ffffffff81124c60>] sysfs_slab_add+0x80/0x210
[ 1.140830] [<ffffffff81100175>] kmem_cache_create+0xa5/0x250
[ 1.141829] [<ffffffff81cf24cd>] ? md_init+0x144/0x144
[ 1.142307] [<ffffffff81cf25b6>] local_init+0xa4/0x11b
[ 1.142829] [<ffffffff81cf24e1>] dm_init+0x14/0x45
[ 1.143307] [<ffffffff810001ba>] do_one_initcall+0x3a/0x160
[ 1.143829] [<ffffffff81cc2c90>] kernel_init+0x133/0x1b7
[ 1.144352] [<ffffffff81cc25c4>] ? do_early_param+0x86/0x86
[ 1.144829] [<ffffffff8171aff4>] kernel_thread_helper+0x4/0x10
[ 1.145405] [<ffffffff81cc2b5d>] ? start_kernel+0x33f/0x33f
[ 1.145828] [<ffffffff8171aff0>] ? gs_change+0xb/0xb
[ 1.146313] ---[ end trace 2703540871c8fab8 ]---
Conflicts:
mm/slub.c
Signed-off-by: Pekka Enberg <penberg@kernel.org>
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
#ifndef MM_SLAB_H
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#define MM_SLAB_H
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/*
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* Internal slab definitions
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*/
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/*
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* State of the slab allocator.
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*
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* This is used to describe the states of the allocator during bootup.
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* Allocators use this to gradually bootstrap themselves. Most allocators
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* have the problem that the structures used for managing slab caches are
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* allocated from slab caches themselves.
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*/
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enum slab_state {
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DOWN, /* No slab functionality yet */
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PARTIAL, /* SLUB: kmem_cache_node available */
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PARTIAL_ARRAYCACHE, /* SLAB: kmalloc size for arraycache available */
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PARTIAL_L3, /* SLAB: kmalloc size for l3 struct available */
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UP, /* Slab caches usable but not all extras yet */
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FULL /* Everything is working */
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};
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extern enum slab_state slab_state;
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/* The slab cache mutex protects the management structures during changes */
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extern struct mutex slab_mutex;
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/* The list of all slab caches on the system */
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extern struct list_head slab_caches;
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/* The slab cache that manages slab cache information */
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extern struct kmem_cache *kmem_cache;
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/* Functions provided by the slab allocators */
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extern int __kmem_cache_create(struct kmem_cache *, unsigned long flags);
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#ifdef CONFIG_SLUB
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struct kmem_cache *__kmem_cache_alias(const char *name, size_t size,
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size_t align, unsigned long flags, void (*ctor)(void *));
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#else
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static inline struct kmem_cache *__kmem_cache_alias(const char *name, size_t size,
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size_t align, unsigned long flags, void (*ctor)(void *))
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{ return NULL; }
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#endif
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int __kmem_cache_shutdown(struct kmem_cache *);
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#endif
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