[PATCH 9/12] get_unmapped_area handles MAP_FIXED on x86_64

From: Benjamin Herrenschmidt
Date: Tue Apr 24 2007 - 01:36:54 EST


Handle MAP_FIXED in x86_64 arch_get_unmapped_area(), simple case, just
return the address as passed in

Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>

arch/x86_64/kernel/sys_x86_64.c | 3 +++
1 file changed, 3 insertions(+)

Index: linux-cell/arch/x86_64/kernel/sys_x86_64.c
===================================================================
--- linux-cell.orig/arch/x86_64/kernel/sys_x86_64.c 2007-03-22 16:10:10.000000000 +1100
+++ linux-cell/arch/x86_64/kernel/sys_x86_64.c 2007-03-22 16:11:06.000000000 +1100
@@ -93,6 +93,9 @@ arch_get_unmapped_area(struct file *filp
unsigned long start_addr;
unsigned long begin, end;

+ if (flags & MAP_FIXED)
+ return addr;
+
find_start_end(flags, &begin, &end);

if (len > end)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/