as a registered requirement on the parameter. The name of the requirement is "process_" derived from the current->pid from within the open system call. To change the requested target value the process needs to write a s32 value to the open device node. This translates to a pm_qos_update_requirement call. To remove the user mode request for a target value simply close the device node. [akpm@linux-foundation.org: fix warnings] [akpm@linux-foundation.org: fix build] [akpm@linux-foundation.org: fix build again] [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: mark gross Cc: "John W. Linville" Cc: Len Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Arjan van de Ven Cc: Venki Pallipadi Cc: Adam Belay Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Å