diff options
| author |   Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:37 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:46 -0800 |
| commit | 9c2e08c592cd357a8330c34def1e8ecfdcf53275 (patch) | |
| tree | 62e7449e43bb502f2e9630ab41832ceccd9a0f65 /sound/oss/os.h | |
| parent | [PATCH] mark struct file_operations const 8 (diff) | |
| download | linux-dev-9c2e08c592cd357a8330c34def1e8ecfdcf53275.tar.xz linux-dev-9c2e08c592cd357a8330c34def1e8ecfdcf53275.zip | |
[PATCH] mark struct file_operations const 9
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 'sound/oss/os.h')
| -rw-r--r-- | sound/oss/os.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/oss/os.h b/sound/oss/os.h index 0490562c7f7f..a1a962d7f67d 100644 --- a/sound/oss/os.h +++ b/sound/oss/os.h @@ -43,4 +43,4 @@ extern int sound_nblocks; #undef PSEUDO_DMA_AUTOINIT #define ALLOW_BUFFER_MAPPING -extern struct file_operations oss_sound_fops; +extern const struct file_operations oss_sound_fops; |