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>
diff --git a/include/asm-sparc64/pgalloc.h b/include/asm-sparc64/pgalloc.h
index 5891ff7..5d66b85 100644
--- a/include/asm-sparc64/pgalloc.h
+++ b/include/asm-sparc64/pgalloc.h
@@ -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 @@
#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 */