[PATCH] mark struct file_operations const 4
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. [akpm@sdl.org: dvb fix] 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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2b8693c061
commit
fa027c2a0a
@ -2662,7 +2662,7 @@ mptctl_hp_targetinfo(unsigned long arg)
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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static struct file_operations mptctl_fops = {
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static const struct file_operations mptctl_fops = {
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.owner = THIS_MODULE,
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.llseek = no_llseek,
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.release = mptctl_release,
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