The patch titled
drivers-char-memc-cleanups-fix-fix
has been added to the -mm tree. Its filename is
drivers-char-memc-cleanups-fix-fix.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: drivers-char-memc-cleanups-fix-fix
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
uninlining revealed:
drivers/char/mem.c:53: warning: 'uncached_access' defined but not used
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
Cc: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/mem.c | 65 +++++++++++++++++++++----------------------
1 file changed, 33 insertions(+), 32 deletions(-)
diff -puN drivers/char/mem.c~drivers-char-memc-cleanups-fix-fix drivers/char/mem.c
--- a/drivers/char/mem.c~drivers-char-memc-cleanups-fix-fix
+++ a/drivers/char/mem.c
@@ -44,38 +44,6 @@ static inline unsigned long size_inside_
return min(sz, size);
}
-/*
- * Architectures vary in how they handle caching for addresses
- * outside of main memory.
- *
- */
-static int uncached_access(struct file *file, unsigned long addr)
-{
-#if defined(CONFIG_IA64)
- /*
- * On ia64, we ignore O_DSYNC because we cannot tolerate memory
- * attribute aliases.
- */
- return !(efi_mem_attributes(addr) & EFI_MEMORY_WB);
-#elif defined(CONFIG_MIPS)
- {
- extern int __uncached_access(struct file *file,
- unsigned long addr);
-
- return __uncached_access(file, addr);
- }
-#else
- /*
- * Accessing memory above the top the kernel knows about or through a
- * file pointer
- * that was marked O_DSYNC will be done non-cached.
- */
- if (file->f_flags & O_DSYNC)
- return 1;
- return addr >= __pa(high_memory);
-#endif
-}
-
#ifndef ARCH_HAS_VALID_PHYS_ADDR_RANGE
static inline int valid_phys_addr_range(unsigned long addr, size_t count)
{
@@ -251,6 +219,39 @@ int __weak phys_mem_access_prot_allowed(
}
#ifndef __HAVE_PHYS_MEM_ACCESS_PROT
+
+/*
+ * Architectures vary in how they handle caching for addresses
+ * outside of main memory.
+ *
+ */
+static int uncached_access(struct file *file, unsigned long addr)
+{
+#if defined(CONFIG_IA64)
+ /*
+ * On ia64, we ignore O_DSYNC because we cannot tolerate memory
+ * attribute aliases.
+ */
+ return !(efi_mem_attributes(addr) & EFI_MEMORY_WB);
+#elif defined(CONFIG_MIPS)
+ {
+ extern int __uncached_access(struct file *file,
+ unsigned long addr);
+
+ return __uncached_access(file, addr);
+ }
+#else
+ /*
+ * Accessing memory above the top the kernel knows about or through a
+ * file pointer
+ * that was marked O_DSYNC will be done non-cached.
+ */
+ if (file->f_flags & O_DSYNC)
+ return 1;
+ return addr >= __pa(high_memory);
+#endif
+}
+
static pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
unsigned long size, pgprot_t vma_prot)
{
_
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