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Remove valkey specific changes in jemalloc source code #1266

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1 change: 1 addition & 0 deletions cmake/Modules/SourceFiles.cmake
Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@ set(VALKEY_SERVER_SRCS
${CMAKE_SOURCE_DIR}/src/geohash.c
${CMAKE_SOURCE_DIR}/src/geohash_helper.c
${CMAKE_SOURCE_DIR}/src/childinfo.c
${CMAKE_SOURCE_DIR}/src/allocator_defrag.c
${CMAKE_SOURCE_DIR}/src/defrag.c
${CMAKE_SOURCE_DIR}/src/siphash.c
${CMAKE_SOURCE_DIR}/src/rax.c
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Original file line number Diff line number Diff line change
Expand Up @@ -337,55 +337,4 @@ imalloc_fastpath(size_t size, void *(fallback_alloc)(size_t)) {
return fallback_alloc(size);
}

JEMALLOC_ALWAYS_INLINE int
iget_defrag_hint(tsdn_t *tsdn, void* ptr) {
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int defrag = 0;
emap_alloc_ctx_t alloc_ctx;
emap_alloc_ctx_lookup(tsdn, &arena_emap_global, ptr, &alloc_ctx);
if (likely(alloc_ctx.slab)) {
/* Small allocation. */
edata_t *slab = emap_edata_lookup(tsdn, &arena_emap_global, ptr);
arena_t *arena = arena_get_from_edata(slab);
szind_t binind = edata_szind_get(slab);
unsigned binshard = edata_binshard_get(slab);
bin_t *bin = arena_get_bin(arena, binind, binshard);
malloc_mutex_lock(tsdn, &bin->lock);
arena_dalloc_bin_locked_info_t info;
arena_dalloc_bin_locked_begin(&info, binind);
/* Don't bother moving allocations from the slab currently used for new allocations */
if (slab != bin->slabcur) {
int free_in_slab = edata_nfree_get(slab);
if (free_in_slab) {
const bin_info_t *bin_info = &bin_infos[binind];
/* Find number of non-full slabs and the number of regs in them */
unsigned long curslabs = 0;
size_t curregs = 0;
/* Run on all bin shards (usually just one) */
for (uint32_t i=0; i< bin_info->n_shards; i++) {
bin_t *bb = arena_get_bin(arena, binind, i);
curslabs += bb->stats.nonfull_slabs;
/* Deduct the regs in full slabs (they're not part of the game) */
unsigned long full_slabs = bb->stats.curslabs - bb->stats.nonfull_slabs;
curregs += bb->stats.curregs - full_slabs * bin_info->nregs;
if (bb->slabcur) {
/* Remove slabcur from the overall utilization (not a candidate to nove from) */
curregs -= bin_info->nregs - edata_nfree_get(bb->slabcur);
curslabs -= 1;
}
}
/* Compare the utilization ratio of the slab in question to the total average
* among non-full slabs. To avoid precision loss in division, we do that by
* extrapolating the usage of the slab as if all slabs have the same usage.
* If this slab is less used than the average, we'll prefer to move the data
* to hopefully more used ones. To avoid stagnation when all slabs have the same
* utilization, we give additional 12.5% weight to the decision to defrag. */
defrag = (bin_info->nregs - free_in_slab) * curslabs <= curregs + curregs / 8;
}
}
arena_dalloc_bin_locked_finish(tsdn, arena, bin, &info);
malloc_mutex_unlock(tsdn, &bin->lock);
}
return defrag;
}

#endif /* JEMALLOC_INTERNAL_INLINES_C_H */
4 changes: 0 additions & 4 deletions deps/jemalloc/include/jemalloc/jemalloc_macros.h.in
Original file line number Diff line number Diff line change
Expand Up @@ -147,7 +147,3 @@
#else
# define JEMALLOC_SYS_NOTHROW JEMALLOC_NOTHROW
#endif

/* This version of Jemalloc, modified for Redis, has the je_get_defrag_hint()
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* function. */
#define JEMALLOC_FRAG_HINT
9 changes: 0 additions & 9 deletions deps/jemalloc/src/jemalloc.c
Original file line number Diff line number Diff line change
Expand Up @@ -4474,12 +4474,3 @@ jemalloc_postfork_child(void) {
}

/******************************************************************************/

/* Helps the application decide if a pointer is worth re-allocating in order to reduce fragmentation.
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* returns 1 if the allocation should be moved, and 0 if the allocation be kept.
* If the application decides to re-allocate it should use MALLOCX_TCACHE_NONE when doing so. */
JEMALLOC_EXPORT int JEMALLOC_NOTHROW
get_defrag_hint(void* ptr) {
assert(ptr != NULL);
return iget_defrag_hint(TSDN_NULL, ptr);
}
2 changes: 1 addition & 1 deletion src/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -414,7 +414,7 @@ endif
ENGINE_NAME=valkey
SERVER_NAME=$(ENGINE_NAME)-server$(PROG_SUFFIX)
ENGINE_SENTINEL_NAME=$(ENGINE_NAME)-sentinel$(PROG_SUFFIX)
ENGINE_SERVER_OBJ=threads_mngr.o adlist.o quicklist.o ae.o anet.o dict.o kvstore.o server.o sds.o zmalloc.o lzf_c.o lzf_d.o pqsort.o zipmap.o sha1.o ziplist.o release.o memory_prefetch.o io_threads.o networking.o util.o object.o db.o replication.o rdb.o t_string.o t_list.o t_set.o t_zset.o t_hash.o config.o aof.o pubsub.o multi.o debug.o sort.o intset.o syncio.o cluster.o cluster_legacy.o cluster_slot_stats.o crc16.o endianconv.o slowlog.o eval.o bio.o rio.o rand.o memtest.o syscheck.o crcspeed.o crccombine.o crc64.o bitops.o sentinel.o notify.o setproctitle.o blocked.o hyperloglog.o latency.o sparkline.o valkey-check-rdb.o valkey-check-aof.o geo.o lazyfree.o module.o evict.o expire.o geohash.o geohash_helper.o childinfo.o defrag.o siphash.o rax.o t_stream.o listpack.o localtime.o lolwut.o lolwut5.o lolwut6.o acl.o tracking.o socket.o tls.o sha256.o timeout.o setcpuaffinity.o monotonic.o mt19937-64.o resp_parser.o call_reply.o script_lua.o script.o functions.o function_lua.o commands.o strl.o connection.o unix.o logreqres.o
ENGINE_SERVER_OBJ=threads_mngr.o adlist.o quicklist.o ae.o anet.o dict.o kvstore.o server.o sds.o zmalloc.o lzf_c.o lzf_d.o pqsort.o zipmap.o sha1.o ziplist.o release.o memory_prefetch.o io_threads.o networking.o util.o object.o db.o replication.o rdb.o t_string.o t_list.o t_set.o t_zset.o t_hash.o config.o aof.o pubsub.o multi.o debug.o sort.o intset.o syncio.o cluster.o cluster_legacy.o cluster_slot_stats.o crc16.o endianconv.o slowlog.o eval.o bio.o rio.o rand.o memtest.o syscheck.o crcspeed.o crccombine.o crc64.o bitops.o sentinel.o notify.o setproctitle.o blocked.o hyperloglog.o latency.o sparkline.o valkey-check-rdb.o valkey-check-aof.o geo.o lazyfree.o module.o evict.o expire.o geohash.o geohash_helper.o childinfo.o allocator_defrag.o defrag.o siphash.o rax.o t_stream.o listpack.o localtime.o lolwut.o lolwut5.o lolwut6.o acl.o tracking.o socket.o tls.o sha256.o timeout.o setcpuaffinity.o monotonic.o mt19937-64.o resp_parser.o call_reply.o script_lua.o script.o functions.o function_lua.o commands.o strl.o connection.o unix.o logreqres.o
ENGINE_CLI_NAME=$(ENGINE_NAME)-cli$(PROG_SUFFIX)
ENGINE_CLI_OBJ=anet.o adlist.o dict.o valkey-cli.o zmalloc.o release.o ae.o serverassert.o crcspeed.o crccombine.o crc64.o siphash.o crc16.o monotonic.o cli_common.o mt19937-64.o strl.o cli_commands.o
ENGINE_BENCHMARK_NAME=$(ENGINE_NAME)-benchmark$(PROG_SUFFIX)
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