'\" t
.\"     Title: ida_pre_get
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: April 2019
.\"    Manual: Basic Kernel Library Functions
.\"    Source: Kernel Hackers Manual 4.9.168
.\"  Language: English
.\"
.TH "IDA_PRE_GET" "9" "April 2019" "Kernel Hackers Manual 4\&.9\&." "Basic Kernel Library Functions"
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.SH "NAME"
ida_pre_get \- reserve resources for ida allocation
.SH "SYNOPSIS"
.HP \w'int\ ida_pre_get('u
.BI "int ida_pre_get(struct\ ida\ *\ " "ida" ", gfp_t\ " "gfp_mask" ");"
.SH "ARGUMENTS"
.PP
\fIida\fR
.RS 4
ida handle
.RE
.PP
\fIgfp_mask\fR
.RS 4
memory allocation flag
.RE
.SH "DESCRIPTION"
.PP
This function should be called prior to locking and calling the following function\&. It preallocates enough memory to satisfy the worst possible allocation\&.
.PP
If the system is REALLY out of memory this function returns
\fB0\fR, otherwise
\fB1\fR\&.
.SH "COPYRIGHT"
.br