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Fix slab name "biovec-(1<<(21-12))"
author
Mikulas Patocka
<mpatocka@redhat.com>
Wed, 21 Mar 2018 16:49:29 +0000
(12:49 -0400)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Sun, 8 Apr 2018 10:13:00 +0000
(12:13 +0200)
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
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diff --git
a/block/bio.c
b/block/bio.c
index
07f287b
..
4f93345
100644
(file)
--- a/
block/bio.c
+++ b/
block/bio.c
@@
-42,9
+42,9
@@
* 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