From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
flush_tlb_info->flush_start/end are both normal virtual
addresses. When calculating 'nr_pages' (only used for the
tracepoint), I neglected to put parenthesis in.
Thanks to David Koufaty for pointing this out.
Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: x86@xxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
---
b/arch/x86/mm/tlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN arch/x86/mm/tlb.c~tlb-parens arch/x86/mm/tlb.c
--- a/arch/x86/mm/tlb.c~tlb-parens 2015-07-20 15:37:33.951272224 -0700
+++ b/arch/x86/mm/tlb.c 2015-07-20 15:37:33.955272406 -0700
@@ -117,7 +117,7 @@ static void flush_tlb_func(void *info)
} else {
unsigned long addr;
unsigned long nr_pages =
- f->flush_end - f->flush_start / PAGE_SIZE;
+ (f->flush_end - f->flush_start) / PAGE_SIZE;
addr = f->flush_start;
while (addr < f->flush_end) {
__flush_tlb_single(addr);
_
--
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