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Commit c2ec4b23 authored by Jes Sorensen's avatar Jes Sorensen Committed by Greg Kroah-Hartman
Browse files

staging: unisys: visorchipset: Remove unused cache allocator 



Signed-off-by: default avatarJes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: default avatarBenjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fbf35536

drivers/staging/unisys/visorbus/visorchipset.c

+0 −39
Original line number Original line Diff line number Diff line
@@ -2223,45 +2223,6 @@ visorchipset_set_device_context(u32 bus_no, u32 dev_no, void *context) 
}

}

EXPORT_SYMBOL_GPL(visorchipset_set_device_context);

EXPORT_SYMBOL_GPL(visorchipset_set_device_context);





/* Generic wrapper function for allocating memory from a kmem_cache pool.

 */

void *

visorchipset_cache_alloc(struct kmem_cache *pool, bool ok_to_block,

			 char *fn, int ln)

{

	gfp_t gfp;

	void *p;



	if (ok_to_block)

		gfp = GFP_KERNEL;

	else

		gfp = GFP_ATOMIC;

	/* __GFP_NORETRY means "ok to fail", meaning

	 * kmem_cache_alloc() can return NULL, implying the caller CAN

	 * cope with failure.  If you do NOT specify __GFP_NORETRY,

	 * Linux will go to extreme measures to get memory for you

	 * (like, invoke oom killer), which will probably cripple the

	 * system.

	 */

	gfp |= __GFP_NORETRY;

	p = kmem_cache_alloc(pool, gfp);

	if (!p)

		return NULL;



	return p;

}



/* Generic wrapper function for freeing memory from a kmem_cache pool.

 */

void

visorchipset_cache_free(struct kmem_cache *pool, void *p, char *fn, int ln)

{

	if (!p)

		return;



	kmem_cache_free(pool, p);

}



static ssize_t chipsetready_store(struct device *dev,

static ssize_t chipsetready_store(struct device *dev,

				  struct device_attribute *attr,

				  struct device_attribute *attr,

				  const char *buf, size_t count)

				  const char *buf, size_t count)