X-Git-Url: http://git.samba.org/samba.git/?a=blobdiff_plain;f=mm%2Fslub.c;h=acc975fcc8cc9f96a9d3ce7d37a1e1e9b7bbf2ca;hb=4c61f72c72e0e1181f91831f106c5f7306238706;hp=0863fd38a5ce06a87392f5ba753606a516a5d262;hpb=b881502666783b2d9ca2fc7a056d0f773073a808;p=sfrench%2Fcifs-2.6.git

diff --git a/mm/slub.c b/mm/slub.c
index 0863fd38a5ce..acc975fcc8cc 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1368,7 +1368,7 @@ static void deactivate_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
 	struct page *page = c->page;
 	int tail = 1;
 
-	if (c->freelist)
+	if (page->freelist)
 		stat(c, DEACTIVATE_REMOTE_FREES);
 	/*
 	 * Merge cpu freelist into slab freelist. Typically we get here
@@ -1470,6 +1470,9 @@ static void *__slab_alloc(struct kmem_cache *s,
 	void **object;
 	struct page *new;
 
+	/* We handle __GFP_ZERO in the caller */
+	gfpflags &= ~__GFP_ZERO;
+
 	if (!c->page)
 		goto new_slab;
 
@@ -1536,9 +1539,15 @@ new_slab:
 	 * That is only possible if certain conditions are met that are being
 	 * checked when a slab is created.
 	 */
-	if (!(gfpflags & __GFP_NORETRY) && (s->flags & __PAGE_ALLOC_FALLBACK))
-		return kmalloc_large(s->objsize, gfpflags);
-
+	if (!(gfpflags & __GFP_NORETRY) &&
+				(s->flags & __PAGE_ALLOC_FALLBACK)) {
+		if (gfpflags & __GFP_WAIT)
+			local_irq_enable();
+		object = kmalloc_large(s->objsize, gfpflags);
+		if (gfpflags & __GFP_WAIT)
+			local_irq_disable();
+		return object;
+	}
 	return NULL;
 debug:
 	if (!alloc_debug_processing(s, c->page, object, addr))
@@ -1856,12 +1865,15 @@ static unsigned long calculate_alignment(unsigned long flags,
 	 * The hardware cache alignment cannot override the specified
 	 * alignment though. If that is greater then use it.
 	 */
-	if ((flags & SLAB_HWCACHE_ALIGN) &&
-			size > cache_line_size() / 2)
-		return max_t(unsigned long, align, cache_line_size());
+	if (flags & SLAB_HWCACHE_ALIGN) {
+		unsigned long ralign = cache_line_size();
+		while (size <= ralign / 2)
+			ralign /= 2;
+		align = max(align, ralign);
+	}
 
 	if (align < ARCH_SLAB_MINALIGN)
-		return ARCH_SLAB_MINALIGN;
+		align = ARCH_SLAB_MINALIGN;
 
 	return ALIGN(align, sizeof(void *));
 }
@@ -2676,6 +2688,7 @@ void kfree(const void *x)
 }
 EXPORT_SYMBOL(kfree);
 
+#if defined(CONFIG_SLUB_DEBUG) || defined(CONFIG_SLABINFO)
 static unsigned long count_partial(struct kmem_cache_node *n)
 {
 	unsigned long flags;
@@ -2688,6 +2701,7 @@ static unsigned long count_partial(struct kmem_cache_node *n)
 	spin_unlock_irqrestore(&n->list_lock, flags);
 	return x;
 }
+#endif
 
 /*
  * kmem_cache_shrink removes empty slabs from the partial lists and sorts