| Message ID | alpine.LRH.2.02.1803211248020.26409@file01.intranet.prod.int.rdu2.redhat.com (mailing list archive) |
|---|---|
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On 3/21/18 10:49 AM, Mikulas Patocka wrote: > 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. Applied, thanks.
Index: linux-2.6/block/bio.c =================================================================== --- linux-2.6.orig/block/bio.c 2018-02-14 20:23:35.648255000 +0100 +++ linux-2.6/block/bio.c 2018-03-14 14:51:35.539999000 +0100 @@ -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
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+ --- block/bio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)