'\" t .\" Title: unmap_kernel_range_noflush .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: January 2017 .\" Manual: Memory Management in Linux .\" Source: Kernel Hackers Manual 4.8.15 .\" Language: English .\" .TH "UNMAP_KERNEL_RANGE_N" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Memory Management in Linux" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" unmap_kernel_range_noflush \- unmap kernel VM area .SH "SYNOPSIS" .HP \w'void\ unmap_kernel_range_noflush('u .BI "void unmap_kernel_range_noflush(unsigned\ long\ " "addr" ", unsigned\ long\ " "size" ");" .SH "ARGUMENTS" .PP \fIaddr\fR .RS 4 start of the VM area to unmap .RE .PP \fIsize\fR .RS 4 size of the VM area to unmap .RE .SH "DESCRIPTION" .PP Unmap PFN_UP(\fIsize\fR) pages at \fIaddr\fR\&. The VM area \fIaddr\fR and \fIsize\fR specify should have been allocated using \fBget_vm_area\fR and its friends\&. .SH "NOTE" .PP This function does NOT do any cache flushing\&. The caller is responsible for calling \fBflush_cache_vunmap\fR on to\-be\-mapped areas before calling this function and \fBflush_tlb_kernel_range\fR after\&. .SH "COPYRIGHT" .br