Bug #71272 [Com]: i disabled hugepage use --disable-huge-code-pages not effect

From: Date: Mon, 04 Jan 2016 11:19:22 +0000
Subject: Bug #71272 [Com]: i disabled hugepage use --disable-huge-code-pages not effect
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-198400@lists.php.net to get a copy of this message
Edit report at https://bugs.php.net/bug.php?id=71272&edit=1 ID: 71272 Comment by: svein at vip dot qq dot com Reported by: svei at vip dot qq dot com Summary: i disabled hugepage use --disable-huge-code-pages not effect Status: Open Type: Bug Package: opcache Operating System: Linux version 2.6.33.15 PHP Version: 7.0.1 Block user comment: N Private report: N New Comment: Is there a way to disable the allocator to use huge pages? Previous Comments: ------------------------------------------------------------------------ [2016-01-04 09:55:08] nikic@php.net The --disable-huge-code-pages configure option, as the name implies, disables use of huge pages for the text segment. This does not impact the use of huge pages by the allocator. ------------------------------------------------------------------------ [2016-01-04 09:47:40] svei at vip dot qq dot com Description: ------------ compile my php use --disable-huge-code-pages and disabled opcache ~ #php -m [PHP Modules] bcmath Core curl date dom filter gd gmp hash iconv json libxml pcre posix Reflection session SimpleXML SPL standard [Zend Modules] because i don't want to use hugepages but this not effect when i run test script the hugepages in /proc/meminfo was reduce before i run my test script ~ #cat /proc/meminfo | grep Huge HugePages_Total: 11230 HugePages_Free: 5 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB the HugePages_Free is 5 Test script: --------------- <?php sleep(10); Expected result: ---------------- ~ #cat /proc/meminfo | grep Huge HugePages_Total: 11230 HugePages_Free: 5 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB the HugePages_Free not change Actual result: -------------- ~ #cat /proc/meminfo | grep Huge HugePages_Total: 11230 HugePages_Free: 4 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB the HugePages_Free is chane to 4 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=71272&edit=1

« previous php.bugs (#198400) next »