Commit a8f23dd1 authored by Yixuan Cao's avatar Yixuan Cao Committed by Vlastimil Babka
Browse files

mm/slab.c: fix comments 



While reading the source code,
I noticed some language errors in the comments, so I fixed them.

Signed-off-by: default avatarYixuan Cao <caoyixuan2019@email.szu.edu.cn>
Acked-by: default avatarHyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: default avatarVlastimil Babka <vbabka@suse.cz>
Link: https://lore.kernel.org/r/20220407080958.3667-1-caoyixuan2019@email.szu.edu.cn
parent a285909f

mm/slab.c

+6 −6
Original line number Diff line number Diff line
@@ -781,7 +781,7 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp) 
	int slab_node = slab_nid(virt_to_slab(objp));

	int node = numa_mem_id();

	/*

	 * Make sure we are not freeing a object from another node to the array

	 * Make sure we are not freeing an object from another node to the array

	 * cache on this cpu.

	 */

	if (likely(node == slab_node))
@@ -832,7 +832,7 @@ static int init_cache_node(struct kmem_cache *cachep, int node, gfp_t gfp) 


	/*

	 * The kmem_cache_nodes don't come and go as CPUs

	 * come and go.  slab_mutex is sufficient

	 * come and go.  slab_mutex provides sufficient

	 * protection here.

	 */

	cachep->node[node] = n;
@@ -845,7 +845,7 @@ static int init_cache_node(struct kmem_cache *cachep, int node, gfp_t gfp) 
 * Allocates and initializes node for a node on each slab cache, used for

 * either memory or cpu hotplug.  If memory is being hot-added, the kmem_cache_node

 * will be allocated off-node since memory is not yet online for the new node.

 * When hotplugging memory or a cpu, existing node are not replaced if

 * When hotplugging memory or a cpu, existing nodes are not replaced if

 * already in use.

 *

 * Must hold slab_mutex.
@@ -1046,7 +1046,7 @@ int slab_prepare_cpu(unsigned int cpu) 
 * offline.

 *

 * Even if all the cpus of a node are down, we don't free the

 * kmem_cache_node of any cache. This to avoid a race between cpu_down, and

 * kmem_cache_node of any cache. This is to avoid a race between cpu_down, and

 * a kmalloc allocation from another cpu for memory from the node of

 * the cpu going down.  The kmem_cache_node structure is usually allocated from

 * kmem_cache_create() and gets destroyed at kmem_cache_destroy().
@@ -1890,7 +1890,7 @@ static bool set_on_slab_cache(struct kmem_cache *cachep, 
 * @flags: SLAB flags

 *

 * Returns a ptr to the cache on success, NULL on failure.

 * Cannot be called within a int, but can be interrupted.

 * Cannot be called within an int, but can be interrupted.

 * The @ctor is run when new pages are allocated by the cache.

 *

 * The flags are
@@ -3138,7 +3138,7 @@ static void *fallback_alloc(struct kmem_cache *cache, gfp_t flags) 
}



/*

 * A interface to enable slab creation on nodeid

 * An interface to enable slab creation on nodeid

 */

static void *____cache_alloc_node(struct kmem_cache *cachep, gfp_t flags,

				int nodeid)