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kho: test: clean up residual memory upon test_kho module unload

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During the initialization phase, the test_kho module invokes the
kho_preserve_folio function, which internally configures bitmaps within
kho_mem_track and establishes chunk linked lists in KHO.  Upon unloading
the test_kho module, it is necessary to clean up these states.

Link: https://lkml.kernel.org/r/20260107022427.4114424-1-longwei27@huawei.com
Signed-off-by: Long Wei <longwei27@huawei.com>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Alexander Graf <graf@amazon.com>
Cc: hewenliang <hewenliang4@huawei.com>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Long Wei
2026-01-07 10:24:27 +08:00
committed by Andrew Morton
parent bf45794244
commit 77ce1b4cd0
1 changed files with 5 additions and 1 deletions
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6
lib/test_kho.c
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@@ -340,11 +340,15 @@ module_init(kho_test_init);
static void kho_test_cleanup(void)
{
/* unpreserve and free the data stored in folios */
kho_test_unpreserve_data(&kho_test_state);
for (int i = 0; i < kho_test_state.nr_folios; i++)
folio_put(kho_test_state.folios[i]);
kvfree(kho_test_state.folios);
vfree(kho_test_state.folios_info);
/* Unpreserve and release the FDT folio */
kho_unpreserve_folio(kho_test_state.fdt);
folio_put(kho_test_state.fdt);
}