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author | Sverker Eriksson <[email protected]> | 2018-01-25 19:05:50 +0100 |
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committer | Sverker Eriksson <[email protected]> | 2018-02-12 13:23:15 +0100 |
commit | d1e89f8df4be7197fdab36a3e1662183a7dfe6ae (patch) | |
tree | 9e5ade98862227fc30e477a8403f3e313e70723b /erts/emulator/beam/erl_goodfit_alloc.c | |
parent | defd43985282606e841e2bcb29ad7414080d5a80 (diff) | |
download | otp-d1e89f8df4be7197fdab36a3e1662183a7dfe6ae.tar.gz otp-d1e89f8df4be7197fdab36a3e1662183a7dfe6ae.tar.bz2 otp-d1e89f8df4be7197fdab36a3e1662183a7dfe6ae.zip |
erts: Add system_flags(erts_alloc,"+M?sbct *")
to change sbct limit in runtime for chosen allocator type.
With great power comes great responsibility.
Diffstat (limited to 'erts/emulator/beam/erl_goodfit_alloc.c')
-rw-r--r-- | erts/emulator/beam/erl_goodfit_alloc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_goodfit_alloc.c b/erts/emulator/beam/erl_goodfit_alloc.c index 50aa41b4d2..a38f6c7daf 100644 --- a/erts/emulator/beam/erl_goodfit_alloc.c +++ b/erts/emulator/beam/erl_goodfit_alloc.c @@ -170,6 +170,7 @@ static void unlink_free_block (Allctr_t *, Block_t *); static void update_last_aux_mbc (Allctr_t *, Carrier_t *); static Eterm info_options (Allctr_t *, char *, fmtfn_t *, void *, Uint **, Uint *); +static int gfalc_try_set_dyn_param(Allctr_t*, Eterm param, Uint value); static void init_atoms (void); #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG @@ -250,6 +251,8 @@ erts_gfalc_start(GFAllctr_t *gfallctr, if (!erts_alcu_start(allctr, init)) return NULL; + allctr->try_set_dyn_param = gfalc_try_set_dyn_param; + if (allctr->min_block_size != MIN_BLK_SZ) return NULL; @@ -584,6 +587,15 @@ info_options(Allctr_t *allctr, return res; } +static int gfalc_try_set_dyn_param(Allctr_t* allctr, Eterm param, Uint value) +{ + if (param == am_sbct) { + /* Cannot change 'sbct' without rearranging buckets */ + return 0; + } + return erts_alcu_try_set_dyn_param(allctr, param, value); +} + /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ * NOTE: erts_gfalc_test() is only supposed to be used for testing. * * * |