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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 03:55:31 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 12:48:44 -0500
commit5dfe4c964a0dd7bb3a1d64a4166835a153146207 (patch)
tree2fb2fd8c09922be4f40a5a9ac50b537b1d780e27 /arch/powerpc/kernel/proc_ppc64.c
parent540473208f8ac71c25a87e1a2670c3c18dd4d6db (diff)
[PATCH] mark struct file_operations const 2
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@osdl.org: sparc64 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>
Diffstat (limited to 'arch/powerpc/kernel/proc_ppc64.c')
-rw-r--r--arch/powerpc/kernel/proc_ppc64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/proc_ppc64.c b/arch/powerpc/kernel/proc_ppc64.c
index 3d437c32546e..f78dfce1b771 100644
--- a/arch/powerpc/kernel/proc_ppc64.c
+++ b/arch/powerpc/kernel/proc_ppc64.c
@@ -33,7 +33,7 @@ static ssize_t page_map_read( struct file *file, char __user *buf, size_t nbytes
33 loff_t *ppos); 33 loff_t *ppos);
34static int page_map_mmap( struct file *file, struct vm_area_struct *vma ); 34static int page_map_mmap( struct file *file, struct vm_area_struct *vma );
35 35
36static struct file_operations page_map_fops = { 36static const struct file_operations page_map_fops = {
37 .llseek = page_map_seek, 37 .llseek = page_map_seek,
38 .read = page_map_read, 38 .read = page_map_read,
39 .mmap = page_map_mmap 39 .mmap = page_map_mmap