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[PATCH] mark struct file_operations const 1

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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>
This commit is contained in:
Arjan van de Ven 2007-02-12 00:55:28 -08:00 • committed by Linus Torvalds
parent f59e5e8209
commit 540473208f
9 changed files with 13 additions and 13 deletions
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2
include/linux/cpuset.h
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@ -55,7 +55,7 @@ extern int cpuset_excl_nodes_overlap(const struct task_struct *p);
extern int cpuset_memory_pressure_enabled;
extern void __cpuset_memory_pressure_bump(void);
extern struct file_operations proc_cpuset_operations;
extern const struct file_operations proc_cpuset_operations;
extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer);
extern void cpuset_lock(void);