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Since 6.15, zsmalloc is the only allocator left in-tree, so there is no point in keeping zpool around. Based on mm-everything-2025-08-29-00-23. Documentation/admin-guide/mm/zswap.rst | 33 +-- Documentation/core-api/mm-api.rst | 1 - Documentation/driver-api/crypto/iaa/iaa-crypto.rst | 2 - MAINTAINERS | 2 - arch/loongarch/configs/loongson3_defconfig | 1 - include/linux/zpool.h | 86 ------ mm/Kconfig | 49 +-- mm/Makefile | 1 - mm/zpdesc.h | 14 +- mm/zpool.c | 328 --------------------- mm/zsmalloc.c | 79 ----- mm/zswap.c | 202 ++++--------- tools/testing/selftests/zram/README | 1 - 13 files changed, 84 insertions(+), 715 deletions(-)