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| author |   Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-17 08:30:54 +0300 |
|---|---|---|
| committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-17 08:30:54 +0300 |
| commit | 5caf5c7dc2d303b770e426f7e2238df882f1773b (patch) | |
| tree | 1dddb1941da34326e8e8becef10761d2d5d7fcc9 /mm/slub.c | |
| parent | Merge branches 'slab/documentation', 'slab/fixes', 'slob/cleanups' and 'slub/fixes' into for-linus (diff) | |
| parent | SLUB: Fix early boot GFP_DMA allocations (diff) | |
| download | linux-dev-5caf5c7dc2d303b770e426f7e2238df882f1773b.tar.xz linux-dev-5caf5c7dc2d303b770e426f7e2238df882f1773b.zip | |
Merge branch 'slub/earlyboot' into for-linus
Conflicts:
mm/slub.c
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/mm/slub.c b/mm/slub.c index b2b0c78ae35d..4c6449310a0e 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2704,6 +2704,7 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags) struct kmem_cache *s; char *text; size_t realsize; + unsigned long slabflags; s = kmalloc_caches_dma[index]; if (s) @@ -2725,10 +2726,18 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags) (unsigned int)realsize); s = kmalloc(kmem_size, flags & ~SLUB_DMA); + /* + * Must defer sysfs creation to a workqueue because we don't know + * what context we are called from. Before sysfs comes up, we don't + * need to do anything because our sysfs initcall will start by + * adding all existing slabs to sysfs. + */ + slabflags = SLAB_CACHE_DMA|SLAB_NOTRACK; + if (slab_state >= SYSFS) + slabflags |= __SYSFS_ADD_DEFERRED; + if (!s || !text || !kmem_cache_open(s, flags, text, - realsize, ARCH_KMALLOC_MINALIGN, - SLAB_CACHE_DMA|SLAB_NOTRACK|__SYSFS_ADD_DEFERRED, - NULL)) { + realsize, ARCH_KMALLOC_MINALIGN, slabflags, NULL)) { kfree(s); kfree(text); goto unlock_out; @@ -2737,7 +2746,8 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags) list_add(&s->list, &slab_caches); kmalloc_caches_dma[index] = s; - schedule_work(&sysfs_add_work); + if (slab_state >= SYSFS) + schedule_work(&sysfs_add_work); unlock_out: up_write(&slub_lock); |