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mm/slab.c: fix comments

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

Signed-off-by: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Link: https://lore.kernel.org/r/20220407080958.3667-1-caoyixuan2019@email.szu.edu.cn
This commit is contained in:
Yixuan Cao 2022-04-07 16:09:58 +08:00 committed by Vlastimil Babka
parent a285909f47
commit a8f23dd166
1 changed files with 6 additions and 6 deletions
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12
mm/slab.c
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@ -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 slab_node = slab_nid(virt_to_slab(objp));
int node = numa_mem_id(); 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. * cache on this cpu.
*/ */
if (likely(node == slab_node)) 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 * 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. * protection here.
*/ */
cachep->node[node] = n; 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 * 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 * 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. * 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. * already in use.
* *
* Must hold slab_mutex. * Must hold slab_mutex.
@ -1046,7 +1046,7 @@ int slab_prepare_cpu(unsigned int cpu)
* offline. * offline.
* *
* Even if all the cpus of a node are down, we don't free the * 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 * 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 * the cpu going down. The kmem_cache_node structure is usually allocated from
* kmem_cache_create() and gets destroyed at kmem_cache_destroy(). * 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 * @flags: SLAB flags
* *
* Returns a ptr to the cache on success, NULL on failure. * 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 @ctor is run when new pages are allocated by the cache.
* *
* The flags are * The flags are
@ -3138,7 +3138,7 @@ retry:
} }
/* /*
* 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, static void *____cache_alloc_node(struct kmem_cache *cachep, gfp_t flags,
int nodeid) int nodeid)