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authorDavid S. Miller <davem@sunset.davemloft.net>2005-09-19 20:11:57 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2005-09-19 20:11:57 -0700
commit6a9b490d5fd7f23c5bcd75f970e01633ad3136e3 (patch)
treedd3ad10d43a5dd765705f32ff1fca6fc1bab88fd /include/asm-sparc64/page.h
parente0487992ce1dd7ae7da9c6aabdb19570bb95432b (diff)
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[SPARC64]: Move DCACHE_ALIASING_POSSIBLE define to asm/page.h
This showed that arch/sparc64/kernel/ptrace.c was not getting the define properly, and thus the code protected by this ifdef was never actually compiled before. So fix that too. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/asm-sparc64/page.h')
-rw-r--r--include/asm-sparc64/page.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h
index c9f8ef2..7f8d764 100644
--- a/include/asm-sparc64/page.h
+++ b/include/asm-sparc64/page.h
@@ -21,6 +21,13 @@
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
+/* Flushing for D-cache alias handling is only needed if
+ * the page size is smaller than 16K.
+ */
+#if PAGE_SHIFT < 14
+#define DCACHE_ALIASING_POSSIBLE
+#endif
+
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
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