add Jemalloc pool to mallocPoolTest suite

[bratpiorka]

add Jemalloc pool to mallocPoolTest suite

INSTANTIATE_TEST_SUITE_P(
    mallocPoolTest, umfPoolTest,
    ::testing::Values(
        ...
        poolCreateExtParams{umfJemallocPoolOps(), nullptr, nullptr,
                            &BA_GLOBAL_PROVIDER_OPS, nullptr, nullptr}), ...
    poolCreateExtParamsNameGen);

currently this crash test_memoryPool (there are left items in the tracking provider):

...
 2/63 Test  #2: test_memoryPool ...............................Subprocess aborted***Exception:   1.54 sec
Running main() from /home/rrudnick/unified-memory-framework/build/_deps/googletest-src/googletest/src/gtest_main.cc
...
test_memoryPool: /home/rrudnick/unified-memory-framework/src/provider/provider_tracking.c:984: check_if_tracker_is_empty: Assertion n_items == 0 && "tracking provider is not empty!"' failed.

error logging shows a lot "failed to split mem region" messages:

[ERROR UMF] trackingAllocationSplit: failed to split memory region: ptr=0x7fb5bb400000, totalSize=4198400, firstSize=20480
[ERROR UMF] trackingAllocationSplit: upstream provider failed to split the region

[ldorau]

@bratpiorka

This is an external bug in jemalloc: jemalloc/jemalloc#2815 and a duplicate of #902.
See the detailed description of this issue: #902 (comment).

The "failed to split mem region" messages are printed because the UMF base allocator (BA_GLOBAL_PROVIDER_OPS) does not support splitting and merging but jemalloc calls split() and merge() hooks.

Jemalloc was archived by the owner on Jun 2, 2025 so I think it can be closed as "External bug" and "Won't fix".

[bratpiorka]

we can use other providers that supports split/merge like Fixed or OS

[ldorau]

@bratpiorka Done: #1459