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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/sparc64
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/sparc64')
-rw-r--r--arch/sparc64/kernel/time.c2
-rw-r--r--arch/sparc64/solaris/socksys.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 061e1b1fa583..f84da4f1b706 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -1327,7 +1327,7 @@ static int mini_rtc_release(struct inode *inode, struct file *file)
1327} 1327}
1328 1328
1329 1329
1330static struct file_operations mini_rtc_fops = { 1330static const struct file_operations mini_rtc_fops = {
1331 .owner = THIS_MODULE, 1331 .owner = THIS_MODULE,
1332 .ioctl = mini_rtc_ioctl, 1332 .ioctl = mini_rtc_ioctl,
1333 .open = mini_rtc_open, 1333 .open = mini_rtc_open,
diff --git a/arch/sparc64/solaris/socksys.c b/arch/sparc64/solaris/socksys.c
index 89a4757f192f..c2864447de82 100644
--- a/arch/sparc64/solaris/socksys.c
+++ b/arch/sparc64/solaris/socksys.c
@@ -163,7 +163,7 @@ static unsigned int socksys_poll(struct file * filp, poll_table * wait)
163 return mask; 163 return mask;
164} 164}
165 165
166static struct file_operations socksys_fops = { 166static const struct file_operations socksys_fops = {
167 .open = socksys_open, 167 .open = socksys_open,
168 .release = socksys_release, 168 .release = socksys_release,
169}; 169};