On Fri, 08 Jun 2007 17:43:34 -0600
[email protected] (Eric W. Biederman) wrote:
> Some user space tools need to identify SYSV shared memory when
> examining /proc/<pid>/maps. To do so they look for a block device
> with major zero, a dentry named SYSV<sysv key>, and having the minor of
> the internal sysv shared memory kernel mount.
>
> To help these tools and to make it easier for people just browsing
> /proc/<pid>/maps this patch modifies hugetlb sysv shared memory to
> use the SYSV<key> dentry naming convention.
>
> User space tools will still have to be aware that hugetlb sysv
> shared memory lives on a different internal kernel mount and so
> has a different block device minor number from the rest of sysv
> shared memory.
So.. I am sitting here believing that this patch and Badari's
restore-shmid-as-inode-to-fix-proc-pid-maps-abi-breakage.patch are both
needed in 2.6.22 and that they will fix all these issues up.
If that is untrue, someone please let us know..
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