diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/include/asm/tlb.h | 20 | ||||
-rw-r--r-- | arch/x86/kernel/paravirt.c | 7 | ||||
-rw-r--r-- | arch/x86/mm/pgtable.c | 10 |
3 files changed, 36 insertions, 1 deletions
diff --git a/arch/x86/include/asm/tlb.h b/arch/x86/include/asm/tlb.h index 4d3c9d00d6b6..73f0786181cc 100644 --- a/arch/x86/include/asm/tlb.h +++ b/arch/x86/include/asm/tlb.h @@ -34,8 +34,28 @@ static inline void __tlb_remove_table(void *table) free_page_and_swap_cache(table); } +#ifdef CONFIG_PT_RECLAIM +static inline void __tlb_remove_table_one_rcu(struct rcu_head *head) +{ + struct page *page; + + page = container_of(head, struct page, rcu_head); + put_page(page); +} + +static inline void __tlb_remove_table_one(void *table) +{ + struct page *page; + + page = table; + call_rcu(&page->rcu_head, __tlb_remove_table_one_rcu); +} +#define __tlb_remove_table_one __tlb_remove_table_one +#endif /* CONFIG_PT_RECLAIM */ + static inline void invlpg(unsigned long addr) { asm volatile("invlpg (%0)" ::"r" (addr) : "memory"); } + #endif /* _ASM_X86_TLB_H */ diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index fec381533555..89688921ea62 100644 --- a/arch/x86/kernel/paravirt.c +++ b/arch/x86/kernel/paravirt.c @@ -59,10 +59,17 @@ void __init native_pv_lock_init(void) static_branch_enable(&virt_spin_lock_key); } +#ifndef CONFIG_PT_RECLAIM static void native_tlb_remove_table(struct mmu_gather *tlb, void *table) { tlb_remove_page(tlb, table); } +#else +static void native_tlb_remove_table(struct mmu_gather *tlb, void *table) +{ + tlb_remove_table(tlb, table); +} +#endif struct static_key paravirt_steal_enabled; struct static_key paravirt_steal_rq_enabled; diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 5745a354a241..69a357b15974 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -19,12 +19,20 @@ EXPORT_SYMBOL(physical_mask); #endif #ifndef CONFIG_PARAVIRT +#ifndef CONFIG_PT_RECLAIM static inline void paravirt_tlb_remove_table(struct mmu_gather *tlb, void *table) { tlb_remove_page(tlb, table); } -#endif +#else +static inline +void paravirt_tlb_remove_table(struct mmu_gather *tlb, void *table) +{ + tlb_remove_table(tlb, table); +} +#endif /* !CONFIG_PT_RECLAIM */ +#endif /* !CONFIG_PARAVIRT */ gfp_t __userpte_alloc_gfp = GFP_PGTABLE_USER | PGTABLE_HIGHMEM; |