aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/x86/Kconfig3
-rw-r--r--arch/x86/mm/pgtable_32.c18
-rw-r--r--include/asm-x86/pgtable_32.h5
3 files changed, 11 insertions, 15 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f41c9538ca30..237fc128143d 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -66,9 +66,6 @@ config MMU
66config ZONE_DMA 66config ZONE_DMA
67 def_bool y 67 def_bool y
68 68
69config QUICKLIST
70 def_bool X86_32
71
72config SBUS 69config SBUS
73 bool 70 bool
74 71
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 73aba7125203..2f9e9afcb9f4 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -342,12 +342,16 @@ static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp)
342 342
343pgd_t *pgd_alloc(struct mm_struct *mm) 343pgd_t *pgd_alloc(struct mm_struct *mm)
344{ 344{
345 pgd_t *pgd = quicklist_alloc(0, GFP_KERNEL, pgd_ctor); 345 pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
346 346
347 mm->pgd = pgd; /* so that alloc_pd can use it */ 347 /* so that alloc_pd can use it */
348 mm->pgd = pgd;
349 if (pgd)
350 pgd_ctor(pgd);
348 351
349 if (pgd && !pgd_prepopulate_pmd(mm, pgd)) { 352 if (pgd && !pgd_prepopulate_pmd(mm, pgd)) {
350 quicklist_free(0, pgd_dtor, pgd); 353 pgd_dtor(pgd);
354 free_page((unsigned long)pgd);
351 pgd = NULL; 355 pgd = NULL;
352 } 356 }
353 357
@@ -357,12 +361,8 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
357void pgd_free(struct mm_struct *mm, pgd_t *pgd) 361void pgd_free(struct mm_struct *mm, pgd_t *pgd)
358{ 362{
359 pgd_mop_up_pmds(mm, pgd); 363 pgd_mop_up_pmds(mm, pgd);
360 quicklist_free(0, pgd_dtor, pgd); 364 pgd_dtor(pgd);
361} 365 free_page((unsigned long)pgd);
362
363void check_pgt_cache(void)
364{
365 quicklist_trim(0, pgd_dtor, 25, 16);
366} 366}
367 367
368void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte) 368void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index a842c7222b1e..4e6a0fca0b47 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -26,10 +26,9 @@ struct mm_struct;
26struct vm_area_struct; 26struct vm_area_struct;
27 27
28extern pgd_t swapper_pg_dir[1024]; 28extern pgd_t swapper_pg_dir[1024];
29extern struct kmem_cache *pmd_cache;
30void check_pgt_cache(void);
31 29
32static inline void pgtable_cache_init(void) {} 30static inline void pgtable_cache_init(void) { }
31static inline void check_pgt_cache(void) { }
33void paging_init(void); 32void paging_init(void);
34 33
35 34