diff options
| author | Rik van Riel <riel@surriel.com> | 2018-09-26 06:58:42 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2018-10-09 17:51:12 +0300 |
| commit | 016c4d92cd16f569c6485ae62b076c1a4b779536 (patch) | |
| tree | b734bacfc71fe52ac281da272536d5156ec8a252 /arch/x86/mm/tlb.c | |
| parent | 7d49b28a80b830c3ca876d33bedc58d62a78e16f (diff) | |
| download | linux-016c4d92cd16f569c6485ae62b076c1a4b779536.tar.xz | |
x86/mm/tlb: Add freed_tables argument to flush_tlb_mm_range
Add an argument to flush_tlb_mm_range to indicate whether page tables
are about to be freed after this TLB flush. This allows for an
optimization of flush_tlb_mm_range to skip CPUs in lazy TLB mode.
No functional changes.
Cc: npiggin@gmail.com
Cc: mingo@kernel.org
Cc: will.deacon@arm.com
Cc: songliubraving@fb.com
Cc: kernel-team@fb.com
Cc: luto@kernel.org
Cc: hpa@zytor.com
Signed-off-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180926035844.1420-6-riel@surriel.com
Diffstat (limited to 'arch/x86/mm/tlb.c')
| -rw-r--r-- | arch/x86/mm/tlb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 9fb30d27854b..14bf39fc0447 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -609,7 +609,8 @@ void native_flush_tlb_others(const struct cpumask *cpumask, static unsigned long tlb_single_page_flush_ceiling __read_mostly = 33; void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start, - unsigned long end, unsigned int stride_shift) + unsigned long end, unsigned int stride_shift, + bool freed_tables) { int cpu; |