Convert the various /* fallthrough */ comments to the pseudo-keyword fallthrough; Done via script: https://lore.kernel.org/lkml/b56602fcf79f849e733e7b521bb0e17895d390fa.1582230379.git.joe@xxxxxxxxxxx/ Signed-off-by: Joe Perches <joe@xxxxxxxxxxx> --- Might as well start with fallthrough conversions somewhere... mm/gup.c | 2 +- mm/hugetlb_cgroup.c | 6 +++--- mm/ksm.c | 3 +-- mm/list_lru.c | 2 +- mm/memcontrol.c | 2 +- mm/mempolicy.c | 3 --- mm/mmap.c | 5 ++--- mm/shmem.c | 2 +- mm/zsmalloc.c | 2 +- 9 files changed, 11 insertions(+), 16 deletions(-) diff --git a/mm/gup.c b/mm/gup.c index f58929..4bfd753 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1072,7 +1072,7 @@ static long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, goto retry; case -EBUSY: ret = 0; - /* FALLTHRU */ + fallthrough; case -EFAULT: case -ENOMEM: case -EHWPOISON: diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index 790f63..7994eb8 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -468,14 +468,14 @@ static int hugetlb_cgroup_read_u64_max(struct seq_file *seq, void *v) switch (MEMFILE_ATTR(cft->private)) { case RES_RSVD_USAGE: counter = &h_cg->rsvd_hugepage[idx]; - /* Fall through. */ + fallthrough; case RES_USAGE: val = (u64)page_counter_read(counter); seq_printf(seq, "%llu\n", val * PAGE_SIZE); break; case RES_RSVD_LIMIT: counter = &h_cg->rsvd_hugepage[idx]; - /* Fall through. */ + fallthrough; case RES_LIMIT: val = (u64)counter->max; if (val == limit) @@ -515,7 +515,7 @@ static ssize_t hugetlb_cgroup_write(struct kernfs_open_file *of, switch (MEMFILE_ATTR(of_cft(of)->private)) { case RES_RSVD_LIMIT: rsvd = true; - /* Fall through. */ + fallthrough; case RES_LIMIT: mutex_lock(&hugetlb_limit_mutex); ret = page_counter_set_max( diff --git a/mm/ksm.c b/mm/ksm.c index 363ec8..a558da9 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -2813,8 +2813,7 @@ static int ksm_memory_callback(struct notifier_block *self, */ ksm_check_stable_tree(mn->start_pfn, mn->start_pfn + mn->nr_pages); - /* fallthrough */ - + fallthrough; case MEM_CANCEL_OFFLINE: mutex_lock(&ksm_thread_mutex); ksm_run &= ~KSM_RUN_OFFLINE; diff --git a/mm/list_lru.c b/mm/list_lru.c index 9e4a28..87b540f 100644 --- a/mm/list_lru.c +++ b/mm/list_lru.c @@ -223,7 +223,7 @@ __list_lru_walk_one(struct list_lru_node *nlru, int memcg_idx, switch (ret) { case LRU_REMOVED_RETRY: assert_spin_locked(&nlru->lock); - /* fall through */ + fallthrough; case LRU_REMOVED: isolated++; nlru->nr_items--; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 1e1260..dfe191 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5756,7 +5756,7 @@ static int mem_cgroup_move_charge_pte_range(pmd_t *pmd, switch (get_mctgt_type(vma, addr, ptent, &target)) { case MC_TARGET_DEVICE: device = true; - /* fall through */ + fallthrough; case MC_TARGET_PAGE: page = target.page; /* diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 6d30379..45eb0a5 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -907,7 +907,6 @@ static void get_policy_nodemask(struct mempolicy *p, nodemask_t *nodes) switch (p->mode) { case MPOL_BIND: - /* Fall through */ case MPOL_INTERLEAVE: *nodes = p->v.nodes; break; @@ -2092,7 +2091,6 @@ bool init_nodemask_of_mempolicy(nodemask_t *mask) break; case MPOL_BIND: - /* Fall through */ case MPOL_INTERLEAVE: *mask = mempolicy->v.nodes; break; @@ -2359,7 +2357,6 @@ bool __mpol_equal(struct mempolicy *a, struct mempolicy *b) switch (a->mode) { case MPOL_BIND: - /* Fall through */ case MPOL_INTERLEAVE: return !!nodes_equal(a->v.nodes, b->v.nodes); case MPOL_PREFERRED: diff --git a/mm/mmap.c b/mm/mmap.c index f8ea04..60dc38 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1457,7 +1457,7 @@ unsigned long do_mmap(struct file *file, unsigned long addr, * with MAP_SHARED to preserve backward compatibility. */ flags &= LEGACY_MAP_MASK; - /* fall through */ + fallthrough; case MAP_SHARED_VALIDATE: if (flags & ~flags_mask) return -EOPNOTSUPP; @@ -1480,8 +1480,7 @@ unsigned long do_mmap(struct file *file, unsigned long addr, vm_flags |= VM_SHARED | VM_MAYSHARE; if (!(file->f_mode & FMODE_WRITE)) vm_flags &= ~(VM_MAYWRITE | VM_SHARED); - - /* fall through */ + fallthrough; case MAP_PRIVATE: if (!(file->f_mode & FMODE_READ)) return -EACCES; diff --git a/mm/shmem.c b/mm/shmem.c index d01d5b..1e9b377 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -3992,7 +3992,7 @@ bool shmem_huge_enabled(struct vm_area_struct *vma) if (i_size >= HPAGE_PMD_SIZE && i_size >> PAGE_SHIFT >= off) return true; - /* fall through */ + fallthrough; case SHMEM_HUGE_ADVISE: /* TODO: implement fadvise() hints */ return (vma->vm_flags & VM_HUGEPAGE); diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 2aa2d5..2f836a2b 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -424,7 +424,7 @@ static void *zs_zpool_map(void *pool, unsigned long handle, case ZPOOL_MM_WO: zs_mm = ZS_MM_WO; break; - case ZPOOL_MM_RW: /* fall through */ + case ZPOOL_MM_RW: default: zs_mm = ZS_MM_RW; break;
