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authorMikulas Patocka <mpatocka@redhat.com>2018-03-21 12:49:29 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-08 14:26:33 +0200
commit92e3d3f67d79207b24105edaa12fef32740ef1e6 (patch)
tree1a7d3b5fc7eeb201752a36dd5466f13b14b36d27 /block/bio.c
parentb31397c9b945218f13c3cd9c64a4261830c4781a (diff)
Fix slab name "biovec-(1<<(21-12))"
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>
Diffstat (limited to 'block/bio.c')
-rw-r--r--block/bio.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/bio.c b/block/bio.c
index 7f978eac9a7a..dbaa82c967f4 100644
--- 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