From: Sergey Cheremencev <scherementsev@ddn.com>
Date: Thu, 8 Aug 2024 09:49:15 +0000 (+0100)
Subject: LU-18086 sec: fix ppp_max_pages
X-Git-Tag: 2.15.91~55
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=refs%2Fchanges%2F63%2F55963%2F6;p=fs%2Flustre-release.git

LU-18086 sec: fix ppp_max_pages

Set ppp_max_pages as a number of pool's
elements instead of pages number.

Signed-off-by: Sergey Cheremencev <scherementsev@ddn.com>
Signed-off-by: Artem Blagodarenko <ablagodarenko@ddn.com>
Change-Id: Ic7ce0b7d6416fb7ace8b0b9ed33baeeffa95d13b
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55963
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Patrick Farrell <patrick.farrell@oracle.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
---

diff --git a/lustre/obdclass/page_pools.c b/lustre/obdclass/page_pools.c
index 0f86607..6b7cbd1 100644
--- a/lustre/obdclass/page_pools.c
+++ b/lustre/obdclass/page_pools.c
@@ -1072,7 +1072,7 @@ int obd_pool_init(void)
 			GOTO(fail, rc = -ENOMEM);
 
 		pool = page_pools[pool_order];
-		pool->opp_max_pages = pool_max_pages;
+		pool->opp_max_pages = pool_max_pages >> pool_order;
 
 		pool->opp_max_ptr_pages =
 			npages_to_nptr_pages(pool->opp_max_pages);