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authorSteven Whitehouse <swhiteho@redhat.com>2006-09-28 14:29:59 +0200
committerSteven Whitehouse <swhiteho@redhat.com>2006-09-28 14:29:59 +0200
commit185a257f2f73bcd89050ad02da5bedbc28fc43fa (patch)
tree5e32586114534ed3f2165614cba3d578f5d87307 /include/asm-sh/cache.h
parent[GFS2] Fix typo in last patch (diff)
parentMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff)
downloadlinux-185a257f2f73bcd89050ad02da5bedbc28fc43fa.tar.xz
linux-185a257f2f73bcd89050ad02da5bedbc28fc43fa.zip
Merge branch 'master' into gfs2
Diffstat (limited to 'include/asm-sh/cache.h')
-rw-r--r--include/asm-sh/cache.h30
1 files changed, 18 insertions, 12 deletions
diff --git a/include/asm-sh/cache.h b/include/asm-sh/cache.h
index 656fdfe9e8b4..e3a180cf5062 100644
--- a/include/asm-sh/cache.h
+++ b/include/asm-sh/cache.h
@@ -10,7 +10,6 @@
#ifdef __KERNEL__
#include <asm/cpu/cache.h>
-#include <asm/cpu/cacheflush.h>
#define SH_CACHE_VALID 1
#define SH_CACHE_UPDATED 2
@@ -23,24 +22,31 @@
#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
struct cache_info {
- unsigned int ways;
- unsigned int sets;
- unsigned int linesz;
+ unsigned int ways; /* Number of cache ways */
+ unsigned int sets; /* Number of cache sets */
+ unsigned int linesz; /* Cache line size (bytes) */
- unsigned int way_incr;
+ unsigned int way_size; /* sets * line size */
+ /*
+ * way_incr is the address offset for accessing the next way
+ * in memory mapped cache array ops.
+ */
+ unsigned int way_incr;
unsigned int entry_shift;
unsigned int entry_mask;
+ /*
+ * Compute a mask which selects the address bits which overlap between
+ * 1. those used to select the cache set during indexing
+ * 2. those in the physical page number.
+ */
+ unsigned int alias_mask;
+
+ unsigned int n_aliases; /* Number of aliases */
+
unsigned long flags;
};
-/* Flush (write-back only) a region (smaller than a page) */
-extern void __flush_wback_region(void *start, int size);
-/* Flush (write-back & invalidate) a region (smaller than a page) */
-extern void __flush_purge_region(void *start, int size);
-/* Flush (invalidate only) a region (smaller than a page) */
-extern void __flush_invalidate_region(void *start, int size);
-
#endif /* __KERNEL__ */
#endif /* __ASM_SH_CACHE_H */