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 3.10 June 2014 IDA_PRE_GET(9)
