IDA_PRE_GET(9)                    Basic Kernel Library Functions                   IDA_PRE_GET(9)



NAME
       ida_pre_get - reserve resources for ida allocation

SYNOPSIS
       int ida_pre_get(struct ida * ida, gfp_t gfp_mask);

ARGUMENTS
       ida
           ida handle

       gfp_mask
           memory allocation flag

DESCRIPTION
       This function should be called prior to locking and calling the following function. It
       preallocates enough memory to satisfy the worst possible allocation.

       If the system is REALLY out of memory this function returns 0, otherwise 1.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                            IDA_PRE_GET(9)