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authorPaul Mundt <lethal@linux-sh.org>2007-07-25 10:43:47 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-07-25 10:43:47 +0900
commitf0b859e3d63a07995f0db294864c2f3c9228f1e4 (patch)
tree6490a317aa82f1492ae15603fc7bd2d8e3208c44
parenteb695dbf00d572a770358305dae4de2a0680db8f (diff)
sh: Reclaim beginning of P3 space for vmalloc area.
The first 1MB of P3 space was reserved and used for page colouring, as we've reworked that to use fixmaps, we can reclaim the space and hand it back to VMALLOC_START. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--arch/sh/mm/cache-sh4.c3
-rw-r--r--include/asm-sh/pgtable.h6
2 files changed, 1 insertions, 8 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 5d0f73a4fbb..86486326ef1 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -98,9 +98,6 @@ void __init p3_cache_init(void)
}
emit_cache_params();
-
- if (ioremap_page_range(P3SEG, P3SEG + (PAGE_SIZE * 4), 0, PAGE_KERNEL))
- panic("%s failed.", __FUNCTION__);
}
/*
diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index 22efffe4501..e3fae12c0e4 100644
--- a/include/asm-sh/pgtable.h
+++ b/include/asm-sh/pgtable.h
@@ -55,11 +55,7 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
#define PTE_PHYS_MASK (0x20000000 - PAGE_SIZE)
-/*
- * First 1MB map is used by fixed purpose.
- * Currently only 4-entry (16kB) is used (see arch/sh/mm/cache.c)
- */
-#define VMALLOC_START (P3SEG+0x00100000)
+#define VMALLOC_START (P3SEG)
#define VMALLOC_END (FIXADDR_START-2*PAGE_SIZE)
/*