| Message ID | 20191212171137.13872-12-david@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | virtio-mem: paravirtualized memory | expand |
On Thu 12-12-19 18:11:35, David Hildenbrand wrote: > Let's count within the function itself, so every invocation (of future > users) will be counted. > > Cc: Alexander Viro <viro@zeniv.linux.org.uk> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: linux-fsdevel@vger.kernel.org > Signed-off-by: David Hildenbrand <david@redhat.com> Slight inconsistency with the page cache droppint but nothing earth shattering. Acked-by: Michal Hocko <mhocko@suse.com> > --- > fs/drop_caches.c | 4 +--- > mm/vmscan.c | 1 + > 2 files changed, 2 insertions(+), 3 deletions(-) > > diff --git a/fs/drop_caches.c b/fs/drop_caches.c > index d31b6c72b476..a042da782fcd 100644 > --- a/fs/drop_caches.c > +++ b/fs/drop_caches.c > @@ -61,10 +61,8 @@ int drop_caches_sysctl_handler(struct ctl_table *table, int write, > iterate_supers(drop_pagecache_sb, NULL); > count_vm_event(DROP_PAGECACHE); > } > - if (sysctl_drop_caches & 2) { > + if (sysctl_drop_caches & 2) > drop_slab(); > - count_vm_event(DROP_SLAB); > - } > if (!stfu) { > pr_info("%s (%d): drop_caches: %d\n", > current->comm, task_pid_nr(current), > diff --git a/mm/vmscan.c b/mm/vmscan.c > index 5a6445e86328..c3e53502a84a 100644 > --- a/mm/vmscan.c > +++ b/mm/vmscan.c > @@ -726,6 +726,7 @@ void drop_slab(void) > > for_each_online_node(nid) > drop_slab_node(nid); > + count_vm_event(DROP_SLAB); > } > > static inline int is_page_cache_freeable(struct page *page) > -- > 2.23.0
diff --git a/fs/drop_caches.c b/fs/drop_caches.c index d31b6c72b476..a042da782fcd 100644 --- a/fs/drop_caches.c +++ b/fs/drop_caches.c @@ -61,10 +61,8 @@ int drop_caches_sysctl_handler(struct ctl_table *table, int write, iterate_supers(drop_pagecache_sb, NULL); count_vm_event(DROP_PAGECACHE); } - if (sysctl_drop_caches & 2) { + if (sysctl_drop_caches & 2) drop_slab(); - count_vm_event(DROP_SLAB); - } if (!stfu) { pr_info("%s (%d): drop_caches: %d\n", current->comm, task_pid_nr(current), diff --git a/mm/vmscan.c b/mm/vmscan.c index 5a6445e86328..c3e53502a84a 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -726,6 +726,7 @@ void drop_slab(void) for_each_online_node(nid) drop_slab_node(nid); + count_vm_event(DROP_SLAB); } static inline int is_page_cache_freeable(struct page *page)
Let's count within the function itself, so every invocation (of future users) will be counted. Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-fsdevel@vger.kernel.org Signed-off-by: David Hildenbrand <david@redhat.com> --- fs/drop_caches.c | 4 +--- mm/vmscan.c | 1 + 2 files changed, 2 insertions(+), 3 deletions(-)