[lvm-devel] master - memlock: extend exception list

[Zdenek Kabelac]

Gitweb:        https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=ed3428b7ed5386b508e76a403f2b11c5903d3d0f
Commit:        ed3428b7ed5386b508e76a403f2b11c5903d3d0f
Parent:        0bae9a1bffe34170569ce37bd7effbdfe0603fa1
Author:        Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate:    Sat Jun 30 11:05:14 2018 +0200
Committer:     Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Mon Jul 2 10:24:20 2018 +0200

memlock: extend exception list

Amound of linked libraries grows.
Most of them we don't need to lock in, since we are not using
them in locked section, so skip locking them in memory.
---
 WHATS_NEW        |    1 +
 lib/mm/memlock.c |   19 +++++++++++++------
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/WHATS_NEW b/WHATS_NEW
index d90ff3a..4919f24 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 3.0.0
 =============
+  Extend list of non-memlocked areas with newly linked libs.
   Enhance vgcfgrestore to check for active LVs in restored VG.
   Configure supports --disable-silent-rules for verbose builds.
   Fix unmonitoring of merging snapshots.
diff --git a/lib/mm/memlock.c b/lib/mm/memlock.c
index 9ebf96d..aa47d66 100644
--- a/lib/mm/memlock.c
+++ b/lib/mm/memlock.c
@@ -105,23 +105,30 @@ static const char * const _blacklist_maps[] = {
 	"/LC_MESSAGES/",
 	"gconv/gconv-modules.cache",
 	"/ld-2.",		/* not using dlopen,dlsym during mlock */
+	"/libaio.so.",		/* not using aio during mlock */
 	"/libattr.so.",		/* not using during mlock (udev) */
-	"/libblkid.so.",	/* not using lzma during mlock (selinux) */
+	"/libblkid.so.",	/* not using blkid during mlock (udev) */
 	"/libbz2.so.",		/* not using during mlock (udev) */
-	"/libcap.so.",		/* not using during mlock (udev) */
+	"/libcap.so.",		/* not using during mlock (systemd) */
+	"/libdl-",		/* not using dlopen,dlsym during mlock */
 	"/libdw-",		/* not using during mlock (udev) */
 	"/libelf-",		/* not using during mlock (udev) */
-	"/liblzma.so.",	/* not using lzma during mlock (selinux) */
+	"/libgcrypt.so.",	/* not using during mlock (systemd) */
+	"/libgpg-error.so.",	/* not using gpg-error during mlock (systemd) */
+	"/liblz4.so.",		/* not using lz4 during mlock (systemd) */
+	"/liblzma.so.",		/* not using lzma during mlock (systemd) */
+	"/libmount.so.",	/* not using mount during mlock (udev) */
 	"/libncurses.so.",	/* not using ncurses during mlock */
-	"/libpcre.so.",	/* not using pcre during mlock (selinux) */
+	"/libpcre.so.",		/* not using pcre during mlock (selinux) */
+	"/libpcre2-",		/* not using pcre during mlock (selinux) */
 	"/libreadline.so.",	/* not using readline during mlock */
-	"/libresolv-",	/* not using during mlock (udev) */
+	"/libresolv-",		/* not using during mlock (udev) */
 	"/libselinux.so.",	/* not using selinux during mlock */
 	"/libsepol.so.",	/* not using sepol during mlock */
+	"/libsystemd.so.",	/* not using systemd during mlock */
 	"/libtinfo.so.",	/* not using tinfo during mlock */
 	"/libudev.so.",		/* not using udev during mlock */
 	"/libuuid.so.",		/* not using uuid during mlock (blkid) */
-	"/libdl-",		/* not using dlopen,dlsym during mlock */
 	"/libz.so.",		/* not using during mlock (udev) */
 	"/etc/selinux",		/* not using selinux during mlock */
 	/* "/libdevmapper-event.so" */