Provided by: kernel-doc-2.4.27_2.4.27-12_all bug

NAME

       clear_bit -  Clears a bit in memory

SYNOPSIS

       void clear_bit (int nr, volatile void *addr);

ARGUMENTS

       nr           Bit to clear

       addr         Address to start counting from

DESCRIPTION

       clear_bit  is  atomic  and  may not be reordered.  However, it does not
       contain a memory barrier, so if it is used for  locking  purposes,  you
       should  call smp_mb__before_clear_bit and/or smp_mb__after_clear_bit in
       order to ensure changes are visible on other processors.