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| author | John Högberg <[email protected]> | 2018-08-29 16:21:17 +0200 |
|---|---|---|
| committer | John Högberg <[email protected]> | 2018-12-07 12:28:51 +0100 |
| commit | 1d549eddbeeccf7d108310466de5f63af04b004c (patch) | |
| tree | 6c3623605f7f1b80ec732caac2d4adb1b6bb08d3 /erts/emulator/beam/erl_goodfit_alloc.c | |
| parent | 4b9836a2dada60005e01067af04a0e0d9361fcee (diff) | |
| download | otp-1d549eddbeeccf7d108310466de5f63af04b004c.tar.gz otp-1d549eddbeeccf7d108310466de5f63af04b004c.tar.bz2 otp-1d549eddbeeccf7d108310466de5f63af04b004c.zip | |
Mark free blocks in pooled carriers as unused (MADV_FREE)
This lets the OS reclaim the physical memory associated with these
blocks which reduces the impact of long-lived awkward allocations.
A small allocated block will still keep a huge carrier alive, but
the unused part of the carrier will now be available to the OS.
Co-authored-by: Dmytro Lytovchenko <[email protected]>
Diffstat (limited to 'erts/emulator/beam/erl_goodfit_alloc.c')
| -rw-r--r-- | erts/emulator/beam/erl_goodfit_alloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_goodfit_alloc.c b/erts/emulator/beam/erl_goodfit_alloc.c index 01d4aa54ff..68b9579433 100644 --- a/erts/emulator/beam/erl_goodfit_alloc.c +++ b/erts/emulator/beam/erl_goodfit_alloc.c @@ -226,6 +226,8 @@ erts_gfalc_start(GFAllctr_t *gfallctr, allctr->add_mbc = NULL; allctr->remove_mbc = NULL; allctr->largest_fblk_in_mbc = NULL; + allctr->first_fblk_in_mbc = NULL; + allctr->next_fblk_in_mbc = NULL; allctr->init_atoms = init_atoms; #ifdef ERTS_ALLOC_UTIL_HARD_DEBUG |