slab allocators: Remove SLAB_CTOR_ATOMIC

[firefly-linux-kernel-4.4.55.git] / mm / slab.c

diff --git a/mm/slab.c b/mm/slab.c
index a877d6f3d68730d9bce92f6f3c24a545755e1596..52ecf7599a7b7a8d22e12cb8ad1eef98122cb935 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2752,13 +2752,6 @@ static int cache_grow(struct kmem_cache *cachep,
 
        ctor_flags = SLAB_CTOR_CONSTRUCTOR;
        local_flags = (flags & GFP_LEVEL_MASK);
-       if (!(local_flags & __GFP_WAIT))
-               /*
-                * Not allowed to sleep.  Need to tell a constructor about
-                * this - it might need to know...
-                */
-               ctor_flags |= SLAB_CTOR_ATOMIC;
-
        /* Take the l3 list lock to change the colour_next on this node */
        check_irq_off();
        l3 = cachep->nodelists[nodeid];
@@ -3092,14 +3085,8 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep,
        }
 #endif
        objp += obj_offset(cachep);
-       if (cachep->ctor && cachep->flags & SLAB_POISON) {
-               unsigned long ctor_flags = SLAB_CTOR_CONSTRUCTOR;
-
-               if (!(flags & __GFP_WAIT))
-                       ctor_flags |= SLAB_CTOR_ATOMIC;
-
-               cachep->ctor(objp, cachep, ctor_flags);
-       }
+       if (cachep->ctor && cachep->flags & SLAB_POISON)
+               cachep->ctor(objp, cachep, SLAB_CTOR_CONSTRUCTOR);
 #if ARCH_SLAB_MINALIGN
        if ((u32)objp & (ARCH_SLAB_MINALIGN-1)) {
                printk(KERN_ERR "0x%p: not aligned to ARCH_SLAB_MINALIGN=%d\n",