linux-kernel - [mm-unstable v3 PATCH 1/3] Revert "mm: don't warn if the node is offlined"

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Tue,  8 Nov 2022 10:43:55 -0800
From:   Yang Shi <shy828301@...il.com>
To:     zokeefe@...gle.com, mhocko@...e.com, akpm@...ux-foundation.org
Cc:     shy828301@...il.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [mm-unstable v3 PATCH 1/3] Revert "mm: don't warn if the node is offlined"

This reverts commit 6baf85a005ad36dd8586e5c3de598f8c3059dc91.
---
 include/linux/gfp.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 594d6dee5646..ef4aea3b356e 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -218,6 +218,7 @@ static inline struct page *
 __alloc_pages_node(int nid, gfp_t gfp_mask, unsigned int order)
 {
 	VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES);
+	VM_WARN_ON((gfp_mask & __GFP_THISNODE) && !node_online(nid));
 
 	return __alloc_pages(gfp_mask, order, nid, NULL);
 }
@@ -226,6 +227,7 @@ static inline
 struct folio *__folio_alloc_node(gfp_t gfp, unsigned int order, int nid)
 {
 	VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES);
+	VM_WARN_ON((gfp & __GFP_THISNODE) && !node_online(nid));
 
 	return __folio_alloc(gfp, order, nid, NULL);
 }
-- 
2.35.1