diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 09:55:34 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 18:48:45 +0100 |
| commit | d54b1fdb1d9f82e375a299e22bd366aad52d4c34 (patch) | |
| tree | f94768d59702dbbc0beb9a70d9be65dbc5e5108d /drivers/oprofile/event_buffer.h | |
| parent | [PATCH] mark struct file_operations const 4 (diff) | |
| download | linux-d54b1fdb1d9f82e375a299e22bd366aad52d4c34.tar.xz linux-d54b1fdb1d9f82e375a299e22bd366aad52d4c34.zip | |
[PATCH] mark struct file_operations const 5
Many struct file_operations in the kernel can be "const". Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data. In addition it'll catch accidental writes at compile time to
these shared resources.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/oprofile/event_buffer.h')
| -rw-r--r-- | drivers/oprofile/event_buffer.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/oprofile/event_buffer.h b/drivers/oprofile/event_buffer.h index 92416276e577..9b6a4ebd03e3 100644 --- a/drivers/oprofile/event_buffer.h +++ b/drivers/oprofile/event_buffer.h @@ -41,7 +41,7 @@ void wake_up_buffer_waiter(void); /* add data to the event buffer */ void add_event_entry(unsigned long data); -extern struct file_operations event_buffer_fops; +extern const struct file_operations event_buffer_fops; /* mutex between sync_cpu_buffers() and the * file reading code. |