linux-kernel - Re: [PATCH] shm: Fix the filename of hugetlb sysv shared memory

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Message-ID: <m1r6olr1y8.fsf@ebiederm.dsl.xmission.com>
Date:	Sat, 09 Jun 2007 02:01:35 -0600
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Badari Pulavarty <pbadari@...ibm.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Albert Cahalan <acahalan@...il.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	torvalds@...ux-foundation.org
Subject: Re: [PATCH] shm: Fix the filename of hugetlb sysv shared memory

Badari Pulavarty <pbadari@...ibm.com> writes:

> No. You still need my patch to fix the current breakage.

Agreed.

> This patch makes hugetlbfs also use same naming convention as regular shmem for
> its
> name. This is not absolutely needed, its a nice to have. Currently, user space
> tools
> can't depend on the filename alone, since its not unique (based on kry).

Exactly.  My patch is an additional fix/cleanup to bring the hugetlbfs
shm segments as close to their normal counterparts as I can.

pmap still won't recognize them as shm segments (different block device
minor number) but otherwise they are now presented identically with
normal shm segments.

Eric
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