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Quicklist support for sparc64 

I ported this to sparc64 as per the patch below, tested on UP SunBlade1500 and
24 cpu Niagara T1000.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Andi Kleen <ak@suse.de>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
David Miller 2007-05-06 14:49:51 -07:00 committed by Linus Torvalds
parent 6225e93735
commit 3a2cba993b
4 changed files with 19 additions and 37 deletions
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4
arch/sparc64/Kconfig
View File

@ -34,6 +34,10 @@ config MMU
bool
default y
config QUICKLIST
bool
default y
config STACKTRACE_SUPPORT
bool
default y

24
arch/sparc64/mm/init.c
View File

@ -164,30 +164,6 @@ unsigned long sparc64_kern_sec_context __read_mostly;
int bigkernel = 0;
struct kmem_cache *pgtable_cache __read_mostly;
static void zero_ctor(void *addr, struct kmem_cache *cache, unsigned long flags)
{
clear_page(addr);
}
extern void tsb_cache_init(void);
void pgtable_cache_init(void)
{
pgtable_cache = kmem_cache_create("pgtable_cache",
PAGE_SIZE, PAGE_SIZE,
SLAB_HWCACHE_ALIGN |
SLAB_MUST_HWCACHE_ALIGN,
zero_ctor,
NULL);
if (!pgtable_cache) {
prom_printf("Could not create pgtable_cache\n");
prom_halt();
}
tsb_cache_init();
}
#ifdef CONFIG_DEBUG_DCFLUSH
atomic_t dcpage_flushes = ATOMIC_INIT(0);
#ifdef CONFIG_SMP

2
arch/sparc64/mm/tsb.c
View File

@ -252,7 +252,7 @@ static const char *tsb_cache_names[8] = {
"tsb_1MB",
};
void __init tsb_cache_init(void)
void __init pgtable_cache_init(void)
{
unsigned long i;

26
include/asm-sparc64/pgalloc.h
View File

@ -6,6 +6,7 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/quicklist.h>
#include <asm/spitfire.h>
#include <asm/cpudata.h>
@ -13,52 +14,50 @@
#include <asm/page.h>
/* Page table allocation/freeing. */
extern struct kmem_cache *pgtable_cache;
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
static inline void pgd_free(pgd_t *pgd)
{
kmem_cache_free(pgtable_cache, pgd);
quicklist_free(0, NULL, pgd);
}
#define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
return kmem_cache_alloc(pgtable_cache,
GFP_KERNEL|__GFP_REPEAT);
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
static inline void pmd_free(pmd_t *pmd)
{
kmem_cache_free(pgtable_cache, pmd);
quicklist_free(0, NULL, pmd);
}
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
return kmem_cache_alloc(pgtable_cache,
GFP_KERNEL|__GFP_REPEAT);
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
static inline struct page *pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
return virt_to_page(pte_alloc_one_kernel(mm, address));
void *pg = quicklist_alloc(0, GFP_KERNEL, NULL);
return pg ? virt_to_page(pg) : NULL;
}
static inline void pte_free_kernel(pte_t *pte)
{
kmem_cache_free(pgtable_cache, pte);
quicklist_free(0, NULL, pte);
}
static inline void pte_free(struct page *ptepage)
{
pte_free_kernel(page_address(ptepage));
quicklist_free_page(0, NULL, ptepage);
}
@ -66,6 +65,9 @@ static inline void pte_free(struct page *ptepage)
#define pmd_populate(MM,PMD,PTE_PAGE) \
pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
#define check_pgt_cache() do { } while (0)
static inline void check_pgt_cache(void)
{
quicklist_trim(0, NULL, 25, 16);
}
#endif /* _SPARC64_PGALLOC_H */