This is a note to let you know that I've just added the patch titled
Fix slab name "biovec-(1<<(21-12))"
to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: fix-slab-name-biovec-1-21-12.patch and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From bd5c4facf59648581d2f1692dad7b107bf429954 Mon Sep 17 00:00:00 2001
From: Mikulas Patocka mpatocka@redhat.com Date: Wed, 21 Mar 2018 12:49:29 -0400 Subject: Fix slab name "biovec-(1<<(21-12))"
From: Mikulas Patocka mpatocka@redhat.com
commit bd5c4facf59648581d2f1692dad7b107bf429954 upstream.
I'm getting a slab named "biovec-(1<<(21-12))". It is caused by unintended expansion of the macro BIO_MAX_PAGES. This patch renames it to biovec-max.
Signed-off-by: Mikulas Patocka mpatocka@redhat.com Cc: stable@vger.kernel.org # v4.14+ Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- block/bio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/block/bio.c +++ b/block/bio.c @@ -43,9 +43,9 @@ * break badly! cannot be bigger than what you can fit into an * unsigned short */ -#define BV(x) { .nr_vecs = x, .name = "biovec-"__stringify(x) } +#define BV(x, n) { .nr_vecs = x, .name = "biovec-"#n } static struct biovec_slab bvec_slabs[BVEC_POOL_NR] __read_mostly = { - BV(1), BV(4), BV(16), BV(64), BV(128), BV(BIO_MAX_PAGES), + BV(1, 1), BV(4, 4), BV(16, 16), BV(64, 64), BV(128, 128), BV(BIO_MAX_PAGES, max), }; #undef BV
Patches currently in stable-queue which might be from mpatocka@redhat.com are
queue-4.14/fix-slab-name-biovec-1-21-12.patch