kiper220/mimalloc
1
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2025-05-04 22:49:32 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

remove numaif dependency on linux

Browse source
This commit is contained in:
daan 2019-11-12 10:37:15 -08:00
parent 867d78f877
commit d4f54dcf30
2 changed files with 14 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
CMakeLists.txt
View file

@ -15,7 +15,6 @@ option(MI_LOCAL_DYNAMIC_TLS "Use slightly slower, dlopen-compatible TLS mechanis
option(MI_BUILD_TESTS "Build test executables" ON)
include("cmake/mimalloc-config-version.cmake")
include("CheckIncludeFile")
set(mi_install_dir "lib/mimalloc-${mi_version}")
@ -98,16 +97,6 @@ if(MI_USE_CXX MATCHES "ON")
set_source_files_properties(src/static.c test/test-api.c PROPERTIES LANGUAGE CXX )
endif()
CHECK_INCLUDE_FILE("numaif.h" MI_HAVE_NUMA_H)
if(MI_HAVE_NUMA_H)
list(APPEND mi_defines MI_HAS_NUMA)
list(APPEND mi_libraries numa)
else()
if (NOT(WIN32))
message(WARNING "Compiling without using NUMA optimized allocation (on Linux, install libnuma-dev?)")
endif()
endif()
# Compiler flags
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU")
list(APPEND mi_cflags -Wall -Wextra -Wno-unknown-pragmas)

21
src/os.c
View file

@ -827,28 +827,35 @@ static void* mi_os_alloc_huge_os_pagesx(void* addr, size_t size, int numa_node)
}
#elif defined(MI_OS_USE_MMAP) && (MI_INTPTR_SIZE >= 8)
#ifdef MI_HAS_NUMA
#include <numaif.h> // mbind, and use -lnuma
#include <sys/syscall.h>
#ifndef MPOL_PREFERRED
#define MPOL_PREFERRED 1
#endif
#if defined(SYS_mbind)
static long mi_os_mbind(void* start, unsigned long len, unsigned long mode, const unsigned long* nmask, unsigned long maxnode, unsigned flags) {
return syscall(SYS_mbind, start, len, mode, nmask, maxnode, flags);
}
#else
static long mi_os_mbind(void* start, unsigned long len, unsigned long mode, const unsigned long* nmask, unsigned long maxnode, unsigned flags) {
UNUSED(start); UNUSED(len); UNUSED(mode); UNUSED(nmask); UNUSED(maxnode); UNUSED(flags);
return 0;
}
#endif
static void* mi_os_alloc_huge_os_pagesx(void* addr, size_t size, int numa_node) {
mi_assert_internal(size%GiB == 0);
bool is_large = true;
void* p = mi_unix_mmap(addr, size, MI_SEGMENT_SIZE, PROT_READ | PROT_WRITE, true, true, &is_large);
if (p == NULL) return NULL;
#ifdef MI_HAS_NUMA
if (numa_node >= 0 && numa_node < 8*MI_INTPTR_SIZE) { // at most 64 nodes
uintptr_t numa_mask = (1UL << numa_node);
// TODO: does `mbind` work correctly for huge OS pages? should we
// use `set_mempolicy` before calling mmap instead?
// see: <https://lkml.org/lkml/2017/2/9/875>
long err = mbind(p, size, MPOL_PREFERRED, &numa_mask, 8*MI_INTPTR_SIZE, 0);
long err = mi_os_mbind(p, size, MPOL_PREFERRED, &numa_mask, 8*MI_INTPTR_SIZE, 0);
if (err != 0) {
_mi_warning_message("failed to bind huge (1GiB) pages to NUMA node %d: %s\n", numa_node, strerror(errno));
}
}
#else
UNUSED(numa_node);
#endif
return p;
}
#else