[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>
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Linus Torvalds
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da7071d7e3
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9c2e08c592
@ -390,7 +390,7 @@ int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned l
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* REGISTRATION PART
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*/
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static struct file_operations snd_mixer_oss_f_ops =
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static const struct file_operations snd_mixer_oss_f_ops =
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{
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.owner = THIS_MODULE,
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.open = snd_mixer_oss_open,
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