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Date: Mon, 16 Nov 2015 14:51:20 +0800 From: Yaowei Bai <baiyaowei@...s.chinamobile.com> To: akpm@...ux-foundation.org Cc: bhe@...hat.com, dan.j.williams@...el.com, dave.hansen@...ux.intel.com, dave@...olabs.net, dhowells@...hat.com, dingel@...ux.vnet.ibm.com, hannes@...xchg.org, hillf.zj@...baba-inc.com, holt@....com, iamjoonsoo.kim@....com, joe@...ches.com, kuleshovmail@...il.com, mgorman@...e.de, mhocko@...e.cz, mike.kravetz@...cle.com, n-horiguchi@...jp.nec.com, penberg@...nel.org, rientjes@...gle.com, sasha.levin@...cle.com, tj@...nel.org, tony.luck@...el.com, vbabka@...e.cz, vdavydov@...allels.com, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: [PATCH 1/7] ipc/shm: is_file_shm_hugepages can be boolean This patch makes is_file_shm_hugepages return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@...s.chinamobile.com> --- include/linux/shm.h | 6 +++--- ipc/shm.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/shm.h b/include/linux/shm.h index 6fb8016..04e8818 100644 --- a/include/linux/shm.h +++ b/include/linux/shm.h @@ -52,7 +52,7 @@ struct sysv_shm { long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr, unsigned long shmlba); -int is_file_shm_hugepages(struct file *file); +bool is_file_shm_hugepages(struct file *file); void exit_shm(struct task_struct *task); #define shm_init_task(task) INIT_LIST_HEAD(&(task)->sysvshm.shm_clist) #else @@ -66,9 +66,9 @@ static inline long do_shmat(int shmid, char __user *shmaddr, { return -ENOSYS; } -static inline int is_file_shm_hugepages(struct file *file) +static inline bool is_file_shm_hugepages(struct file *file) { - return 0; + return false; } static inline void exit_shm(struct task_struct *task) { diff --git a/ipc/shm.c b/ipc/shm.c index 4178727..ed3027d 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -459,7 +459,7 @@ static const struct file_operations shm_file_operations_huge = { .fallocate = shm_fallocate, }; -int is_file_shm_hugepages(struct file *file) +bool is_file_shm_hugepages(struct file *file) { return file->f_op == &shm_file_operations_huge; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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