'\" t
.\"     Title: remap_vmalloc_range_partial
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Memory Management in Linux
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "REMAP_VMALLOC_RANGE_" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Memory Management in Linux"
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.SH "NAME"
remap_vmalloc_range_partial \- map vmalloc pages to userspace
.SH "SYNOPSIS"
.HP \w'int\ remap_vmalloc_range_partial('u
.BI "int remap_vmalloc_range_partial(struct\ vm_area_struct\ *\ " "vma" ", unsigned\ long\ " "uaddr" ", void\ *\ " "kaddr" ", unsigned\ long\ " "size" ");"
.SH "ARGUMENTS"
.PP
\fIvma\fR
.RS 4
vma to cover
.RE
.PP
\fIuaddr\fR
.RS 4
target user address to start at
.RE
.PP
\fIkaddr\fR
.RS 4
virtual address of vmalloc kernel memory
.RE
.PP
\fIsize\fR
.RS 4
size of map area
.RE
.SH "RETURN"
.PP
0 for success, \-Exxx on failure
.PP
This function checks that
\fIkaddr\fR
is a valid vmalloc\*(Aqed area, and that it is big enough to cover the range starting at
\fIuaddr\fR
in
\fIvma\fR\&. Will return failure if that criteria isn\*(Aqt met\&.
.PP
Similar to
\fBremap_pfn_range\fR
(see mm/memory\&.c)
.SH "COPYRIGHT"
.br