linux-kernel - Re: [RFC 2/3] mm/vmalloc: add support for __GFP

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

Message-ID: <YW2lUDleoIpoD2sb@dhcp22.suse.cz>
Date:   Mon, 18 Oct 2021 18:48:16 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     linux-mm@...ck.org
Cc:     Dave Chinner <david@...morbit.com>, Neil Brown <neilb@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Hellwig <hch@...radead.org>,
        Uladzislau Rezki <urezki@...il.com>,
        linux-fsdevel@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Ilya Dryomov <idryomov@...il.com>,
        Jeff Layton <jlayton@...nel.org>
Subject: Re: [RFC 2/3] mm/vmalloc: add support for __GFP_NOFAIL

Fat fingers on my side. A follow up to fold
commit 63d1b80b9a298c9380e5175e2add7025b6bd2600
Author: Michal Hocko <mhocko@...e.com>
Date:   Mon Oct 18 18:47:04 2021 +0200

    fold me "mm/vmalloc: add support for __GFP_NOFAIL"

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 3a5a178295d1..4ce9ccc33e33 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -3034,7 +3034,7 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
 		warn_alloc(gfp_mask, NULL,
 			"vmalloc error: size %lu, vm_struct allocation failed",
 			real_size);
-		if (gfp_mask && __GFP_NOFAIL)
+		if (gfp_mask & __GFP_NOFAIL)
 			goto again;
 		goto fail;
 	}
-- 
Michal Hocko
SUSE Labs