The patch titled
Restore shmid as inode# to fix /proc/pid/maps ABI breakage
has been added to the -mm tree. Its filename is
restore-shmid-as-inode-to-fix-proc-pid-maps-abi-breakage.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Restore shmid as inode# to fix /proc/pid/maps ABI breakage
From: Badari Pulavarty <pbadari@xxxxxxxxxx>
shmid used to be stored as inode# for shared memory segments. Some of
the proc-ps tools use this from /proc/pid/maps. Recent cleanups
to newseg() changed it. This patch sets inode number back to shared
memory id to fix breakage.
Signed-off-by: Badari Pulavarty <pbadari@xxxxxxxxxx>
Cc: "Albert Cahalan" <acahalan@xxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
ipc/shm.c | 5 +++++
1 files changed, 5 insertions(+)
diff -puN ipc/shm.c~restore-shmid-as-inode-to-fix-proc-pid-maps-abi-breakage ipc/shm.c
--- a/ipc/shm.c~restore-shmid-as-inode-to-fix-proc-pid-maps-abi-breakage
+++ a/ipc/shm.c
@@ -397,6 +397,11 @@ static int newseg (struct ipc_namespace
shp->shm_nattch = 0;
shp->id = shm_buildid(ns, id, shp->shm_perm.seq);
shp->shm_file = file;
+ /*
+ * shmid gets reported as "inode#" in /proc/pid/maps.
+ * proc-ps tools use this. Changing this will break them.
+ */
+ file->f_dentry->d_inode->i_ino = shp->id;
ns->shm_tot += numpages;
shm_unlock(shp);
_
Patches currently in -mm which might be from pbadari@xxxxxxxxxx are
move-three-functions-that-are-only-needed-for.patch
restore-shmid-as-inode-to-fix-proc-pid-maps-abi-breakage.patch
ext3-convert-to-new-aops.patch
ext4-convert-to-new-aops.patch
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