'\" t .\" Title: nr_free_zone_pages .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: April 2019 .\" Manual: Memory Management in Linux .\" Source: Kernel Hackers Manual 4.9.168 .\" Language: English .\" .TH "NR_FREE_ZONE_PAGES" "9" "April 2019" "Kernel Hackers Manual 4\&.9\&." "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" nr_free_zone_pages \- count number of pages beyond high watermark .SH "SYNOPSIS" .HP \w'unsigned\ long\ nr_free_zone_pages('u .BI "unsigned long nr_free_zone_pages(int\ " "offset" ");" .SH "ARGUMENTS" .PP \fIoffset\fR .RS 4 The zone index of the highest zone .RE .SH "DESCRIPTION" .PP \fBnr_free_zone_pages\fR counts the number of counts pages which are beyond the high watermark within all zones at or below a given zone index\&. For each zone, the number of pages is calculated as: managed_pages \- high_pages .SH "COPYRIGHT" .br