From: Vladislav Shpilevoy <v.shpilevoy@tarantool.org> To: tarantool-patches@dev.tarantool.org, avtikhon@tarantool.org, kyukhin@tarantool.org Subject: [Tarantool-patches] [PATCH small 1/1] test: don't use not aligned size for mempool Date: Sat, 20 Jun 2020 20:01:27 +0200 [thread overview] Message-ID: <c48b47986bc9594d499f0480c0deb0925cd52bf2.1592676044.git.v.shpilevoy@tarantool.org> (raw) Mempool expects aligned object size. Because it uses the free blocks to store metadata in them, in a struct mslab. Which needs alignment. Part of https://github.com/tarantool/tarantool/issues/5063 --- Branch: http://github.com/tarantool/small/tree/gerold103/tarantool/gh-5063-not-aligned-test Issue: https://github.com/tarantool/tarantool/issues/5063 test/mempool.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/test/mempool.c b/test/mempool.c index 298ba17..65eabaf 100644 --- a/test/mempool.c +++ b/test/mempool.c @@ -1,3 +1,4 @@ +#include "trivia/util.h" #include <small/mempool.h> #include <small/quota.h> #include <stdio.h> @@ -121,6 +122,12 @@ int main() objsize = rand() % OBJSIZE_MAX; if (objsize < OBJSIZE_MIN) objsize = OBJSIZE_MIN; + /* + * Mempool does not work with not aligned sizes. Because + * it utilizes the unused blocks for storing internal + * info, which needs alignment. + */ + objsize = small_align(objsize, alignof(uint64_t)); quota_init("a, UINT_MAX); -- 2.21.1 (Apple Git-122.3)
next reply other threads:[~2020-06-20 18:01 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-06-20 18:01 Vladislav Shpilevoy [this message] 2020-06-21 10:06 ` Sergey Ostanevich 2020-06-21 15:35 ` Vladislav Shpilevoy
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