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-rw-r--r--arch/sparc/kernel/sys_sparc_32.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 997bdd0d3d7..3a82e65d8db 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -45,7 +45,8 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
/* We do not accept a shared mapping if it would violate
* cache aliasing constraints.
*/
- if ((flags & MAP_SHARED) && (addr & (SHMLBA - 1)))
+ if ((flags & MAP_SHARED) &&
+ ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
return -EINVAL;
return addr;
}