Re: [libvirt] [PATCH 01/12] libxl: Move detection of autoballoon to libxl_conf

Detecting whether or not to autoballoon is configuration related, so move the code to libxl_conf. Signed-off-by: Jim Fehlig <jfehlig(a)suse.com&gt; --- src/libxl/libxl_conf.c | 22 ++++++++++++++++++++++ src/libxl/libxl_conf.h | 3 +++ src/libxl/libxl_driver.c | 25 +------------------------ 3 files changed, 26 insertions(+), 24 deletions(-) diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c index 8129c7f..f8937a4 100644 --- a/src/libxl/libxl_conf.c +++ b/src/libxl/libxl_conf.c @@ -978,6 +978,28 @@ error: return -1; } +bool +libxlGetAutoballoonConf(libxlDriverPrivatePtr driver) +{ + const libxl_version_info *info; + regex_t regex; + int ret; + + info = libxl_get_version_info(driver->ctx); + if (!info) + return true; /* default to on */ + + ret = regcomp(&regex, + "(^| )dom0_mem=((|min:|max:)[0-9]+[bBkKmMgG]?,?)+($| )", + REG_NOSUB | REG_EXTENDED); + if (ret) + return true;

+ + ret = regexec(&regex, info->commandline, 0, NULL, 0); + regfree(&regex); + return ret == REG_NOMATCH; +} +