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-rw-r--r--arch/frv/Kconfig6
-rw-r--r--arch/frv/kernel/process.c4
-rw-r--r--arch/frv/mm/pgalloc.c22
-rw-r--r--include/asm-frv/tlb.h4
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
45 bool 45 bool
46 default y 46 default y
47 47
48config ARCH_HAS_ILOG2_U32 48config QUICKLIST
49 bool 49 bool
50 default y 50 default y
51 51
52config ARCH_HAS_ILOG2_U64 52config ARCH_HAS_ILOG2_U32
53 bool 53 bool
54 default y 54 default y
55 55
56config ARCH_USES_SLAB_PAGE_STRUCT 56config ARCH_HAS_ILOG2_U64
57 bool 57 bool
58 default y 58 default y
59 59
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 @@
25#include <linux/elf.h> 25#include <linux/elf.h>
26#include <linux/reboot.h> 26#include <linux/reboot.h>
27#include <linux/interrupt.h> 27#include <linux/interrupt.h>
28#include <linux/pagemap.h>
28 29
29#include <asm/asm-offsets.h> 30#include <asm/asm-offsets.h>
30#include <asm/uaccess.h> 31#include <asm/uaccess.h>
31#include <asm/system.h> 32#include <asm/system.h>
32#include <asm/setup.h> 33#include <asm/setup.h>
33#include <asm/pgtable.h> 34#include <asm/pgtable.h>
35#include <asm/tlb.h>
34#include <asm/gdb-stub.h> 36#include <asm/gdb-stub.h>
35#include <asm/mb-regs.h> 37#include <asm/mb-regs.h>
36 38
@@ -88,6 +90,8 @@ void cpu_idle(void)
88 while (!need_resched()) { 90 while (!need_resched()) {
89 irq_stat[cpu].idle_timestamp = jiffies; 91 irq_stat[cpu].idle_timestamp = jiffies;
90 92
93 check_pgt_cache();
94
91 if (!frv_dma_inprogress && idle) 95 if (!frv_dma_inprogress && idle)
92 idle(); 96 idle();
93 } 97 }
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 @@
13#include <linux/slab.h> 13#include <linux/slab.h>
14#include <linux/mm.h> 14#include <linux/mm.h>
15#include <linux/highmem.h> 15#include <linux/highmem.h>
16#include <linux/quicklist.h>
16#include <asm/pgalloc.h> 17#include <asm/pgalloc.h>
17#include <asm/page.h> 18#include <asm/page.h>
18#include <asm/cacheflush.h> 19#include <asm/cacheflush.h>
19 20
20pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((aligned(PAGE_SIZE))); 21pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((aligned(PAGE_SIZE)));
21struct kmem_cache *pgd_cache;
22 22
23pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) 23pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
24{ 24{
@@ -100,7 +100,7 @@ static inline void pgd_list_del(pgd_t *pgd)
100 set_page_private(next, (unsigned long) pprev); 100 set_page_private(next, (unsigned long) pprev);
101} 101}
102 102
103void pgd_ctor(void *pgd, struct kmem_cache *cache, unsigned long unused) 103void pgd_ctor(void *pgd)
104{ 104{
105 unsigned long flags; 105 unsigned long flags;
106 106
@@ -120,7 +120,7 @@ void pgd_ctor(void *pgd, struct kmem_cache *cache, unsigned long unused)
120} 120}
121 121
122/* never called when PTRS_PER_PMD > 1 */ 122/* never called when PTRS_PER_PMD > 1 */
123void pgd_dtor(void *pgd, struct kmem_cache *cache, unsigned long unused) 123void pgd_dtor(void *pgd)
124{ 124{
125 unsigned long flags; /* can be called from interrupt context */ 125 unsigned long flags; /* can be called from interrupt context */
126 126
@@ -133,7 +133,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
133{ 133{
134 pgd_t *pgd; 134 pgd_t *pgd;
135 135
136 pgd = kmem_cache_alloc(pgd_cache, GFP_KERNEL); 136 pgd = quicklist_alloc(0, GFP_KERNEL, pgd_ctor);
137 if (!pgd) 137 if (!pgd)
138 return pgd; 138 return pgd;
139 139
@@ -143,15 +143,15 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
143void pgd_free(pgd_t *pgd) 143void pgd_free(pgd_t *pgd)
144{ 144{
145 /* in the non-PAE case, clear_page_tables() clears user pgd entries */ 145 /* in the non-PAE case, clear_page_tables() clears user pgd entries */
146 kmem_cache_free(pgd_cache, pgd); 146 quicklist_free(0, pgd_dtor, pgd);
147} 147}
148 148
149void __init pgtable_cache_init(void) 149void __init pgtable_cache_init(void)
150{ 150{
151 pgd_cache = kmem_cache_create("pgd",
152 PTRS_PER_PGD * sizeof(pgd_t),
153 PTRS_PER_PGD * sizeof(pgd_t),
154 SLAB_PANIC,
155 pgd_ctor,
156 pgd_dtor);
157} 151}
152
153void check_pgt_cache(void)
154{
155 quicklist_trim(0, pgd_dtor, 25, 16);
156}
157
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 @@
3 3
4#include <asm/tlbflush.h> 4#include <asm/tlbflush.h>
5 5
6#ifdef CONFIG_MMU
7extern void check_pgt_cache(void);
8#else
6#define check_pgt_cache() do {} while(0) 9#define check_pgt_cache() do {} while(0)
10#endif
7 11
8/* 12/*
9 * we don't need any special per-pte or per-vma handling... 13 * we don't need any special per-pte or per-vma handling...