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| author | Sverker Eriksson <[email protected]> | 2016-04-20 15:57:47 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2016-04-29 17:06:28 +0200 |
| commit | 0a5d8f3ae45bd8a10498ef35c1e704983afbbf25 (patch) | |
| tree | 4e744964e4b1e4916e3da9404157456b4543a670 | |
| parent | c2c47441ddc436a6d36aa1264ed6f198a9e0c3e0 (diff) | |
| download | otp-0a5d8f3ae45bd8a10498ef35c1e704983afbbf25.tar.gz otp-0a5d8f3ae45bd8a10498ef35c1e704983afbbf25.tar.bz2 otp-0a5d8f3ae45bd8a10498ef35c1e704983afbbf25.zip | |
erts: Add literal_mmap and exec_mmap to system_info
erlang:system_info(allocator) ->
{Allocator, Version, Features, Settings}
Features includes 'literal_mmap' and/or 'exec_mmap'
if they exist.
| -rw-r--r-- | erts/emulator/beam/erl_alloc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 5b76f34165..64a323c434 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -2999,7 +2999,12 @@ erts_allocator_options(void *proc) #if ERTS_HAVE_ERTS_SYS_ALIGNED_ALLOC terms[length++] = am_atom_put("sys_aligned_alloc", 17); #endif - +#if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) + terms[length++] = ERTS_MAKE_AM("literal_mmap"); +#endif +#ifdef ERTS_ALC_A_EXEC + terms[length++] = ERTS_MAKE_AM("exec_mmap"); +#endif features = length ? erts_bld_list(hpp, szp, length, terms) : NIL; #if defined(__GLIBC__) |