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ircd::db: Disable cache lock feature when valgrinding.

This commit is contained in:
Jason Volk 2020-06-04 00:24:19 -07:00
parent da43ac3d95
commit e12774595c
2 changed files with 11 additions and 1 deletions

View file

@ -3539,6 +3539,15 @@ ircd::db::database::allocator::mlock_limit
ircd::allocator::rlimit_memlock()
};
decltype(ircd::db::database::allocator::mlock_enabled)
ircd::db::database::allocator::mlock_enabled
{
mlock_limit == -1UL
// mlock2() not supported by valgrind
&& !vg::active()
};
decltype(ircd::db::database::allocator::mlock_current)
ircd::db::database::allocator::mlock_current;
@ -3632,7 +3641,7 @@ noexcept
// This feature is only enabled when RLIMIT_MEMLOCK is unlimited. We don't
// want to deal with any limit at all.
#if defined(HAVE_MLOCK2) && defined(MLOCK_ONFAULT)
if(database::allocator::mlock_limit == -1UL)
if(database::allocator::mlock_enabled)
{
syscall(::mlock2, ret, size, MLOCK_ONFAULT);
database::allocator::mlock_current += size;

View file

@ -297,6 +297,7 @@ struct ircd::db::database::allocator final
{
static const size_t ALIGN_DEFAULT;
static const size_t mlock_limit;
static const bool mlock_enabled;
static size_t mlock_current;
static unsigned cache_arena;