lkml.org 
[lkml]   [2019]   [Dec]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH RFC v4 11/13] mm/vmscan: Move count_vm_event(DROP_SLAB) into drop_slab()
Date
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(-)

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
\
 
 \ /
  Last update: 2019-12-12 18:14    [W:0.256 / U:3.976 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site