[PATCH 4/5] UBIFS: remove strange commentary

[PATCH 4/5] UBIFS: remove strange commentary

[Artem Bityutskiy]

From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

Remove the following commentary from 'ubifs_file_mmap()':

/* 'generic_file_mmap()' takes care of NOMMU case */

I do not understand what it means, and I could not find anything relater to
NOMMU in 'generic_file_mmap()'.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/file.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index adce3b7..5e7fccf 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1541,7 +1541,6 @@ static int ubifs_file_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	int err;
 
-	/* 'generic_file_mmap()' takes care of NOMMU case */
 	err = generic_file_mmap(file, vma);
 	if (err)
 		return err;
-- 
1.7.2.3

RE: [PATCH 4/5] UBIFS: remove strange commentary

[Atlant Schmidt]

Folks:

> /* 'generic_file_mmap()' takes care of NOMMU case */
>
> I do not understand what it means,

  It sounds like there must be / must have been code
  to handle memory mapping in systems that do not
  have a Memory Management Unit (an MMU providing
  virtual-to-physical address translation).

                         Atlant

-----Original Message-----
From: linux-mtd-bounces@lists.infradead.org [mailto:linux-mtd-bounces@lists.infradead.org] On Behalf Of Artem Bityutskiy
Sent: Sunday, April 24, 2011 09:26
To: MTD list
Subject: [PATCH 4/5] UBIFS: remove strange commentary

From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

Remove the following commentary from 'ubifs_file_mmap()':

/* 'generic_file_mmap()' takes care of NOMMU case */

I do not understand what it means, and I could not find anything relater to
NOMMU in 'generic_file_mmap()'.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/file.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index adce3b7..5e7fccf 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1541,7 +1541,6 @@ static int ubifs_file_mmap(struct file *file, struct vm_area_struct *vma)
 {
        int err;

-       /* 'generic_file_mmap()' takes care of NOMMU case */
        err = generic_file_mmap(file, vma);
        if (err)
                return err;
--
1.7.2.3


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RE: [PATCH 4/5] UBIFS: remove strange commentary

[Artem Bityutskiy]

On Mon, 2011-04-25 at 06:51 -0400, Atlant Schmidt wrote:
> Folks:
> 
> > /* 'generic_file_mmap()' takes care of NOMMU case */
> >
> > I do not understand what it means,
> 
>   It sounds like there must be / must have been code
>   to handle memory mapping in systems that do not
>   have a Memory Management Unit (an MMU providing
>   virtual-to-physical address translation).

Yes, must be "must have been" :-)

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)