Messages in this thread Patch in this message | | | From | Xin Hao <> | Subject | [PATCH v1 2/2] mm/damon/sysfs: use kzmalloc instead kmalloc to simplify codes | Date | Mon, 19 Sep 2022 23:12:01 +0800 |
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In damon_sysfs_access_pattern_alloc() adn damon_sysfs_attrs_alloc(), we can use kzmalloc to alloc instance of the related structs, This makes the function code much cleaner.
Signed-off-by: Xin Hao <xhao@linux.alibaba.com> --- mm/damon/sysfs.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index b852a75b9f39..06154ece7960 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -657,13 +657,7 @@ struct damon_sysfs_access_pattern { static struct damon_sysfs_access_pattern *damon_sysfs_access_pattern_alloc(void) { - struct damon_sysfs_access_pattern *access_pattern = - kmalloc(sizeof(*access_pattern), GFP_KERNEL); - - if (!access_pattern) - return NULL; - access_pattern->kobj = (struct kobject){}; - return access_pattern; + return kzalloc(sizeof(struct damon_sysfs_access_pattern), GFP_KERNEL); } static int damon_sysfs_access_pattern_add_range_dir( @@ -1620,12 +1614,7 @@ struct damon_sysfs_attrs { static struct damon_sysfs_attrs *damon_sysfs_attrs_alloc(void) { - struct damon_sysfs_attrs *attrs = kmalloc(sizeof(*attrs), GFP_KERNEL); - - if (!attrs) - return NULL; - attrs->kobj = (struct kobject){}; - return attrs; + return kzalloc(sizeof(struct damon_sysfs_attrs), GFP_KERNEL); } static int damon_sysfs_attrs_add_dirs(struct damon_sysfs_attrs *attrs) -- 2.31.0
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