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staging: unisys: visorchipset: Remove unused cache allocator
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2223,45 +2223,6 @@ visorchipset_set_device_context(u32 bus_no, u32 dev_no, void *context)
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}
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EXPORT_SYMBOL_GPL(visorchipset_set_device_context);
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/* Generic wrapper function for allocating memory from a kmem_cache pool.
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*/
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void *
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visorchipset_cache_alloc(struct kmem_cache *pool, bool ok_to_block,
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char *fn, int ln)
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{
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gfp_t gfp;
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void *p;
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if (ok_to_block)
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gfp = GFP_KERNEL;
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else
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gfp = GFP_ATOMIC;
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/* __GFP_NORETRY means "ok to fail", meaning
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* kmem_cache_alloc() can return NULL, implying the caller CAN
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* cope with failure. If you do NOT specify __GFP_NORETRY,
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* Linux will go to extreme measures to get memory for you
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* (like, invoke oom killer), which will probably cripple the
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* system.
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*/
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gfp |= __GFP_NORETRY;
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p = kmem_cache_alloc(pool, gfp);
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if (!p)
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return NULL;
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return p;
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}
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/* Generic wrapper function for freeing memory from a kmem_cache pool.
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*/
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void
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visorchipset_cache_free(struct kmem_cache *pool, void *p, char *fn, int ln)
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{
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if (!p)
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return;
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kmem_cache_free(pool, p);
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}
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static ssize_t chipsetready_store(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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