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staging: zsmalloc: add details to zs_map_object boiler plate

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Add information on the usage limits of zs_map_object()

Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Seth Jennings 2012-07-02 16:15:51 -05:00 committed by Greg Kroah-Hartman
parent 103123305c
commit 166cfda752
1 changed files with 6 additions and 1 deletions
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7
drivers/staging/zsmalloc/zsmalloc-main.c
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@ -747,7 +747,12 @@ EXPORT_SYMBOL_GPL(zs_free);
*
* Before using an object allocated from zs_malloc, it must be mapped using
* this function. When done with the object, it must be unmapped using
* zs_unmap_object
* zs_unmap_object.
*
* Only one object can be mapped per cpu at a time. There is no protection
* against nested mappings.
*
* This function returns with preemption and page faults disabled.
*/
void *zs_map_object(struct zs_pool *pool, unsigned long handle)
{