diff options
| author | Olof Johansson <olof@lixom.net> | 2012-09-12 22:34:11 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-09-12 22:34:11 -0700 |
| commit | 025c95a6826ad8acfe871f33c2fa9208beeb38df (patch) | |
| tree | 220fe156ff60db13bd3a1319f5e20d6b723de5f4 /arch/x86/kvm/mmu.c | |
| parent | 0558d7a8ed44e6e53aadb04d2e23145efb2aa8a4 (diff) | |
| parent | 7f744b17140af1a9c8804a1c81c9dae6bb52a7fb (diff) | |
Merge branch 'clk' of git://github.com/hzhuang1/linux into next/cleanup
* 'clk' of git://github.com/hzhuang1/linux:
ARM: mmp: remove unused definition in APBC and APMU
ARM: mmp: move mmp2 clock definition to separated file
arm: mmp: move pxa910 clock definition to separated file
arm: mmp: move pxa168 clock definition to separated file
arm: mmp: make private clock definition exclude from common clock
+ Linux 3.6-rc4
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 01ca00423938..7fbd0d273ea8 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -4113,16 +4113,21 @@ static int mmu_shrink(struct shrinker *shrink, struct shrink_control *sc) LIST_HEAD(invalid_list); /* + * Never scan more than sc->nr_to_scan VM instances. + * Will not hit this condition practically since we do not try + * to shrink more than one VM and it is very unlikely to see + * !n_used_mmu_pages so many times. + */ + if (!nr_to_scan--) + break; + /* * n_used_mmu_pages is accessed without holding kvm->mmu_lock * here. We may skip a VM instance errorneosly, but we do not * want to shrink a VM that only started to populate its MMU * anyway. */ - if (kvm->arch.n_used_mmu_pages > 0) { - if (!nr_to_scan--) - break; + if (!kvm->arch.n_used_mmu_pages) continue; - } idx = srcu_read_lock(&kvm->srcu); spin_lock(&kvm->mmu_lock); |