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authorDavid S. Miller <davem@sunset.davemloft.net>2005-09-22 22:03:36 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2005-09-22 22:03:36 +0200
commit40fd3533c93f0062b6d1d8540961ef70fc8ab750 (patch)
tree89df38fa456ba31551cc7a803677da556ab1e912 /arch/sparc64/mm
parent[SPARC64]: Remove unnecessary paging_init() cruft. (diff)
downloadlinux-40fd3533c93f0062b6d1d8540961ef70fc8ab750.tar.xz
linux-40fd3533c93f0062b6d1d8540961ef70fc8ab750.zip
[SPARC64]: Kill readjust_prom_translations()
Testing shows that the prom_unmap() calls do absolutely nothing. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/mm')
-rw-r--r--arch/sparc64/mm/init.c35
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 92d095802958..ec47de494c1f 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -619,39 +619,6 @@ static void remap_kernel(void)
}
}
-static void readjust_prom_translations(void)
-{
- int nents, i;
-
- nents = read_obp_translations();
- for (i = 0; i < nents; i++) {
- unsigned long vaddr = prom_trans[i].virt;
- unsigned long size = prom_trans[i].size;
-
- if (vaddr < 0xf0000000UL) {
- unsigned long avoid_start = (unsigned long) KERNBASE;
- unsigned long avoid_end = avoid_start + (4 * 1024 * 1024);
-
- if (bigkernel)
- avoid_end += (4 * 1024 * 1024);
- if (vaddr < avoid_start) {
- unsigned long top = vaddr + size;
-
- if (top > avoid_start)
- top = avoid_start;
- prom_unmap(top - vaddr, vaddr);
- }
- if ((vaddr + size) > avoid_end) {
- unsigned long bottom = vaddr;
-
- if (bottom < avoid_end)
- bottom = avoid_end;
- prom_unmap((vaddr + size) - bottom, bottom);
- }
- }
- }
-}
-
static void inherit_prom_mappings(void)
{
int n;
@@ -663,8 +630,6 @@ static void inherit_prom_mappings(void)
prom_printf("Remapping the kernel... ");
remap_kernel();
- readjust_prom_translations();
-
prom_printf("done.\n");
register_prom_callbacks();