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-rw-r--r--arch/powerpc/mm/fault.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 588b6ccc0569..24b3f4949df4 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -33,6 +33,7 @@
#include <linux/magic.h>
#include <linux/ratelimit.h>
#include <linux/context_tracking.h>
+#include <linux/hugetlb.h>
#include <asm/firmware.h>
#include <asm/page.h>
@@ -118,6 +119,7 @@ static int do_sigbus(struct pt_regs *regs, unsigned long address,
unsigned int fault)
{
siginfo_t info;
+ unsigned int lsb = 0;
up_read(&current->mm->mmap_sem);
@@ -135,7 +137,13 @@ static int do_sigbus(struct pt_regs *regs, unsigned long address,
current->comm, current->pid, address);
info.si_code = BUS_MCEERR_AR;
}
+
+ if (fault & VM_FAULT_HWPOISON_LARGE)
+ lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
+ if (fault & VM_FAULT_HWPOISON)
+ lsb = PAGE_SHIFT;
#endif
+ info.si_addr_lsb = lsb;
force_sig_info(SIGBUS, &info, current);
return MM_FAULT_RETURN;
}