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Innodb: innodb_numa_interleave=1, use numa numa_get_mems_allowed #104

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Innodb: innodb_numa_interleave=1, use numa numa_get_mems_allowed #104

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11 changes: 7 additions & 4 deletions storage/innobase/buf/buf0buf.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -84,11 +84,13 @@ struct set_numa_interleave_t
{
if (srv_numa_interleave) {

struct bitmask *numa_mems_allowed =
numa_get_mems_allowed();
ib::info() << "Setting NUMA memory policy to"
" MPOL_INTERLEAVE";
if (set_mempolicy(MPOL_INTERLEAVE,
numa_all_nodes_ptr->maskp,
numa_all_nodes_ptr->size) != 0) {
numa_mems_allowed->maskp,
numa_mems_allowed->size) != 0) {

ib::warn() << "Failed to set NUMA memory"
" policy to MPOL_INTERLEAVE: "
Expand Down Expand Up @@ -1509,10 +1511,11 @@ buf_chunk_init(

#if defined(HAVE_LIBNUMA) && defined(WITH_NUMA)
if (srv_numa_interleave) {
struct bitmask *numa_mems_allowed = numa_get_mems_allowed();
int st = mbind(chunk->mem, chunk->mem_size(),
MPOL_INTERLEAVE,
numa_all_nodes_ptr->maskp,
numa_all_nodes_ptr->size,
numa_mems_allowed->maskp,
numa_mems_allowed->size,
MPOL_MF_MOVE);
if (st != 0) {
ib::warn() << "Failed to set NUMA memory policy of"
Expand Down