diff options
| -rw-r--r-- | arch/frv/Kconfig | 6 | ||||
| -rw-r--r-- | arch/frv/kernel/process.c | 4 | ||||
| -rw-r--r-- | arch/frv/mm/pgalloc.c | 22 | ||||
| -rw-r--r-- | include/asm-frv/tlb.h | 4 |
4 files changed, 22 insertions, 14 deletions
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index eed694312a79..114738a45582 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -45,15 +45,15 @@ config TIME_LOW_RES bool default y -config ARCH_HAS_ILOG2_U32 +config QUICKLIST bool default y -config ARCH_HAS_ILOG2_U64 +config ARCH_HAS_ILOG2_U32 bool default y -config ARCH_USES_SLAB_PAGE_STRUCT +config ARCH_HAS_ILOG2_U64 bool default y diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index 515a5cea5469..9583a338e9d6 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -25,12 +25,14 @@ #include <linux/elf.h> #include <linux/reboot.h> #include <linux/interrupt.h> +#include <linux/pagemap.h> #include <asm/asm-offsets.h> #include <asm/uaccess.h> #include <asm/system.h> #include <asm/setup.h> #include <asm/pgtable.h> +#include <asm/tlb.h> #include <asm/gdb-stub.h> #include <asm/mb-regs.h> @@ -88,6 +90,8 @@ void cpu_idle(void) while (!need_resched()) { irq_stat[cpu].idle_timestamp = jiffies; + check_pgt_cache(); + if (!frv_dma_inprogress && idle) idle(); } diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c index 598a26ab8ad8..7787c3cc52c6 100644 --- a/arch/frv/mm/pgalloc.c +++ b/arch/frv/mm/pgalloc.c @@ -13,12 +13,12 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/highmem.h> +#include <linux/quicklist.h> #include <asm/pgalloc.h> #include <asm/page.h> #include <asm/cacheflush.h> pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((aligned(PAGE_SIZE))); -struct kmem_cache *pgd_cache; pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { @@ -100,7 +100,7 @@ static inline void pgd_list_del(pgd_t *pgd) set_page_private(next, (unsigned long) pprev); } -void pgd_ctor(void *pgd, struct kmem_cache *cache, unsigned long unused) +void pgd_ctor(void *pgd) { unsigned long flags; @@ -120,7 +120,7 @@ void pgd_ctor(void *pgd, struct kmem_cache *cache, unsigned long unused) } /* never called when PTRS_PER_PMD > 1 */ -void pgd_dtor(void *pgd, struct kmem_cache *cache, unsigned long unused) +void pgd_dtor(void *pgd) { unsigned long flags; /* can be called from interrupt context */ @@ -133,7 +133,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm) { pgd_t *pgd; - pgd = kmem_cache_alloc(pgd_cache, GFP_KERNEL); + pgd = quicklist_alloc(0, GFP_KERNEL, pgd_ctor); if (!pgd) return pgd; @@ -143,15 +143,15 @@ pgd_t *pgd_alloc(struct mm_struct *mm) void pgd_free(pgd_t *pgd) { /* in the non-PAE case, clear_page_tables() clears user pgd entries */ - kmem_cache_free(pgd_cache, pgd); + quicklist_free(0, pgd_dtor, pgd); } void __init pgtable_cache_init(void) { - pgd_cache = kmem_cache_create("pgd", - PTRS_PER_PGD * sizeof(pgd_t), - PTRS_PER_PGD * sizeof(pgd_t), - SLAB_PANIC, - pgd_ctor, - pgd_dtor); } + +void check_pgt_cache(void) +{ + quicklist_trim(0, pgd_dtor, 25, 16); +} + diff --git a/include/asm-frv/tlb.h b/include/asm-frv/tlb.h index f94fe5cb9b3a..cd458eb6d75e 100644 --- a/include/asm-frv/tlb.h +++ b/include/asm-frv/tlb.h @@ -3,7 +3,11 @@ #include <asm/tlbflush.h> +#ifdef CONFIG_MMU +extern void check_pgt_cache(void); +#else #define check_pgt_cache() do {} while(0) +#endif /* * we don't need any special per-pte or per-vma handling... |