* [PATCH] [x86] overlap: cleanup redundant logic
@ 2020-06-22 1:48 Gaurav Singh
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From: Gaurav Singh @ 2020-06-22 1:48 UTC (permalink / raw)
To: gaurav1086, Dave Hansen, Andy Lutomirski, Peter Zijlstra,
Thomas Gleixner, Ingo Molnar, Borislav Petkov,
maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT), H. Peter Anvin,
Logan Gunthorpe, Benjamin Thiel, open list:X86 MM
In overlap check, same expression is repeated twice.
Remove one of them.
Signed-off-by: Gaurav Singh <gaurav1086@gmail.com>
---
arch/x86/mm/pat/set_memory.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c
index 77e04304a2a7..7d44b4863ee5 100644
--- a/arch/x86/mm/pat/set_memory.c
+++ b/arch/x86/mm/pat/set_memory.c
@@ -388,8 +388,7 @@ static void cpa_flush(struct cpa_data *data, int cache)
static bool overlaps(unsigned long r1_start, unsigned long r1_end,
unsigned long r2_start, unsigned long r2_end)
{
- return (r1_start <= r2_end && r1_end >= r2_start) ||
- (r2_start <= r1_end && r2_end >= r1_start);
+ return (r1_start <= r2_end && r1_end >= r2_start);
}
#ifdef CONFIG_PCI_BIOS
--
2.17.1
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