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authorChristoph Lameter <clameter@sgi.com>2007-05-09 02:32:48 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-09 12:30:46 -0700
commit8defab33774a5c33920196a2ee9c0a946d22ba67 (patch)
tree6924e361156f6420c8c42aa614998e565096c6aa /arch/frv/mm
parent34013886ef47ea72e412beb04558431b57a68d51 (diff)
downloadlinux-8defab33774a5c33920196a2ee9c0a946d22ba67.tar.gz
FRV: Replace pgd management via slabs through quicklists
This is done in order to be able to run SLUB which expects no modifications to its page structs. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/frv/mm')
-rw-r--r--arch/frv/mm/pgalloc.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c
index 598a26ab8ad..7787c3cc52c 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);
+}
+