diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/Kconfig.debug | 9 | ||||
| -rw-r--r-- | arch/sh/include/asm/tlb.h | 28 | ||||
| -rw-r--r-- | arch/sh/kernel/vmlinux.lds.S | 2 | ||||
| -rw-r--r-- | arch/sh/mm/init.c | 1 |
4 files changed, 18 insertions, 22 deletions
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 1553d56cf4e0..c1d5a820b1aa 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -28,15 +28,6 @@ config STACK_DEBUG every function call and will therefore incur a major performance hit. Most users should say N. -config DEBUG_STACK_USAGE - bool "Stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T and sysrq-P debug output. - - This option will slow down process creation somewhat. - config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" depends on DEBUG_KERNEL && (MMU || BROKEN) && !PAGE_SIZE_64KB diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h index 75abb38dffd5..6c308d8b9a50 100644 --- a/arch/sh/include/asm/tlb.h +++ b/arch/sh/include/asm/tlb.h @@ -23,8 +23,6 @@ struct mmu_gather { unsigned long start, end; }; -DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); - static inline void init_tlb_gather(struct mmu_gather *tlb) { tlb->start = TASK_SIZE; @@ -36,17 +34,13 @@ static inline void init_tlb_gather(struct mmu_gather *tlb) } } -static inline struct mmu_gather * -tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) +static inline void +tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush) { - struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); - tlb->mm = mm; tlb->fullmm = full_mm_flush; init_tlb_gather(tlb); - - return tlb; } static inline void @@ -57,8 +51,6 @@ tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) /* keep the page table cache within bounds */ check_pgt_cache(); - - put_cpu_var(mmu_gathers); } static inline void @@ -91,7 +83,21 @@ tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) } } -#define tlb_remove_page(tlb,page) free_page_and_swap_cache(page) +static inline void tlb_flush_mmu(struct mmu_gather *tlb) +{ +} + +static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + free_page_and_swap_cache(page); + return 1; /* avoid calling tlb_flush_mmu */ +} + +static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + __tlb_remove_page(tlb, page); +} + #define pte_free_tlb(tlb, ptep, addr) pte_free((tlb)->mm, ptep) #define pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, pmdp) #define pud_free_tlb(tlb, pudp, addr) pud_free((tlb)->mm, pudp) diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index af4d46187a79..731c10ce67b5 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -66,7 +66,7 @@ SECTIONS __machvec_end = .; } - PERCPU(L1_CACHE_BYTES, PAGE_SIZE) + PERCPU_SECTION(L1_CACHE_BYTES) /* * .exit.text is discarded at runtime, not link time, to deal with diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 0d3f912e3334..58a93fb3d965 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -28,7 +28,6 @@ #include <asm/cache.h> #include <asm/sizes.h> -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); pgd_t swapper_pg_dir[PTRS_PER_PGD]; void __init generic_mem_init(void) |