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Merge branch 'slub/earlyboot' into for-linus
Conflicts: mm/slub.c
This commit is contained in:
commit
5caf5c7dc2
1 changed files with 14 additions and 4 deletions
18
mm/slub.c
18
mm/slub.c
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@ -2704,6 +2704,7 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags)
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struct kmem_cache *s;
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char *text;
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size_t realsize;
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unsigned long slabflags;
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s = kmalloc_caches_dma[index];
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if (s)
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@ -2725,10 +2726,18 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags)
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(unsigned int)realsize);
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s = kmalloc(kmem_size, flags & ~SLUB_DMA);
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/*
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* Must defer sysfs creation to a workqueue because we don't know
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* what context we are called from. Before sysfs comes up, we don't
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* need to do anything because our sysfs initcall will start by
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* adding all existing slabs to sysfs.
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*/
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slabflags = SLAB_CACHE_DMA|SLAB_NOTRACK;
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if (slab_state >= SYSFS)
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slabflags |= __SYSFS_ADD_DEFERRED;
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if (!s || !text || !kmem_cache_open(s, flags, text,
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realsize, ARCH_KMALLOC_MINALIGN,
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SLAB_CACHE_DMA|SLAB_NOTRACK|__SYSFS_ADD_DEFERRED,
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NULL)) {
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realsize, ARCH_KMALLOC_MINALIGN, slabflags, NULL)) {
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kfree(s);
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kfree(text);
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goto unlock_out;
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@ -2737,7 +2746,8 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags)
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list_add(&s->list, &slab_caches);
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kmalloc_caches_dma[index] = s;
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schedule_work(&sysfs_add_work);
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if (slab_state >= SYSFS)
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schedule_work(&sysfs_add_work);
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unlock_out:
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up_write(&slub_lock);
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