aboutsummaryrefslogtreecommitdiff
path: root/mm
diff options
context:
space:
mode:
authorPaul Mackerras <paulus@samba.org>2005-09-29 13:13:36 +1000
committerPaul Mackerras <paulus@samba.org>2005-09-29 13:13:36 +1000
commitab11d1ea281e85895369ef57c5259ad8a432fabb (patch)
tree684147479c6a8bb2fbed21bdcf12de1dd519c730 /mm
parent952ecef7a0479049c8abb7c34a688ec2981ceadd (diff)
parent664cceb0093b755739e56572b836a99104ee8a75 (diff)
Merge by hand from Linus' tree.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/mremap.c6
-rw-r--r--mm/slab.c25
2 files changed, 21 insertions, 10 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index a32fed454bd..f343fc73a8b 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -141,10 +141,10 @@ move_one_page(struct vm_area_struct *vma, unsigned long old_addr,
if (dst) {
pte_t pte;
pte = ptep_clear_flush(vma, old_addr, src);
+
/* ZERO_PAGE can be dependant on virtual addr */
- if (pfn_valid(pte_pfn(pte)) &&
- pte_page(pte) == ZERO_PAGE(old_addr))
- pte = pte_wrprotect(mk_pte(ZERO_PAGE(new_addr), new_vma->vm_page_prot));
+ pte = move_pte(pte, new_vma->vm_page_prot,
+ old_addr, new_addr);
set_pte_at(mm, new_addr, dst, pte);
} else
error = -ENOMEM;
diff --git a/mm/slab.c b/mm/slab.c
index c9adfce0040..5cbbdfa6dd0 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2510,16 +2510,12 @@ cache_alloc_debugcheck_after(kmem_cache_t *cachep,
#define cache_alloc_debugcheck_after(a,b,objp,d) (objp)
#endif
-
-static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags)
+static inline void *____cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags)
{
- unsigned long save_flags;
void* objp;
struct array_cache *ac;
- cache_alloc_debugcheck_before(cachep, flags);
-
- local_irq_save(save_flags);
+ check_irq_off();
ac = ac_data(cachep);
if (likely(ac->avail)) {
STATS_INC_ALLOCHIT(cachep);
@@ -2529,6 +2525,18 @@ static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast fl
STATS_INC_ALLOCMISS(cachep);
objp = cache_alloc_refill(cachep, flags);
}
+ return objp;
+}
+
+static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags)
+{
+ unsigned long save_flags;
+ void* objp;
+
+ cache_alloc_debugcheck_before(cachep, flags);
+
+ local_irq_save(save_flags);
+ objp = ____cache_alloc(cachep, flags);
local_irq_restore(save_flags);
objp = cache_alloc_debugcheck_after(cachep, flags, objp,
__builtin_return_address(0));
@@ -2856,7 +2864,10 @@ void *kmem_cache_alloc_node(kmem_cache_t *cachep, unsigned int __nocast flags, i
cache_alloc_debugcheck_before(cachep, flags);
local_irq_save(save_flags);
- ptr = __cache_alloc_node(cachep, flags, nodeid);
+ if (nodeid == numa_node_id())
+ ptr = ____cache_alloc(cachep, flags);
+ else
+ ptr = __cache_alloc_node(cachep, flags, nodeid);
local_irq_restore(save_flags);
ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, __builtin_return_address(0));