[PATCH] epoll: increase default max_user_instances to 1024

[Bron Gondwana]

Both postfix and apache use an epoll instance per child, which
leads to significant scalability issues with max_user_instances
set so low.  Bump the default to 1024 so medium sized sites are
not impacted.
---
 fs/eventpoll.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index ba2f9ec..16eb817 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1366,7 +1366,7 @@ static int __init eventpoll_init(void)
 	struct sysinfo si;
 
 	si_meminfo(&si);
-	max_user_instances = 128;
+	max_user_instances = 1024;
 	max_user_watches = (((si.totalram - si.totalhigh) / 32) << PAGE_SHIFT) /
 		EP_ITEM_COST;
 
-- 
1.5.6.3


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Content-Disposition: attachment; filename="0002-epoll-add-proc-sys-fs-epoll-limits-interface.patch"