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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 00:55:37 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:46 -0800
commit9c2e08c592cd357a8330c34def1e8ecfdcf53275 (patch)
tree62e7449e43bb502f2e9630ab41832ceccd9a0f65 /sound/oss/os.h
parentda7071d7e32d15149cc513f096a3638097b66387 (diff)
downloadop-kernel-dev-9c2e08c592cd357a8330c34def1e8ecfdcf53275.zip
op-kernel-dev-9c2e08c592cd357a8330c34def1e8ecfdcf53275.tar.gz
[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.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/oss/os.h b/sound/oss/os.h
index 0490562..a1a962d 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;
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