'\" t .\" Title: try_to_release_page .\" 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 "TRY_TO_RELEASE_PAGE" "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" try_to_release_page \- release old fs\-specific metadata on a page .SH "SYNOPSIS" .HP \w'int\ try_to_release_page('u .BI "int try_to_release_page(struct\ page\ *\ " "page" ", gfp_t\ " "gfp_mask" ");" .SH "ARGUMENTS" .PP \fIpage\fR .RS 4 the page which the kernel is trying to free .RE .PP \fIgfp_mask\fR .RS 4 memory allocation flags (and I/O mode) .RE .SH "DESCRIPTION" .PP The address_space is to try to release any data against the page (presumably at page\->private)\&. If the release was successful, return `1\*(Aq\&. Otherwise return zero\&. .PP This may also be called if PG_fscache is set on a page, indicating that the page is known to the local caching routines\&. .PP The \fIgfp_mask\fR argument specifies whether I/O may be performed to release this page (__GFP_IO), and whether the call may block (__GFP_RECLAIM & __GFP_FS)\&. .SH "COPYRIGHT" .br