If CONFIG_ZSMALLOC is enabled with xtensa then the build fails with: mm/zsmalloc.c:43:10: fatal error: asm/sparsemem.h: No such file or directory Disable CONFIG_ZSMALLOC for xtensa as xtensa arch has not defined sparsemem.h. Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> --- Build failed with next-20201110. Build log at https://travis-ci.org/github/sudipm-mukherjee/linux-next/jobs/742793855#L13375 mm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/Kconfig b/mm/Kconfig index e8587f6bf29a..5b9426ba5e6a 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -698,7 +698,7 @@ config Z3FOLD config ZSMALLOC tristate "Memory allocator for compressed pages" - depends on MMU + depends on (MMU && !XTENSA) help zsmalloc is a slab-based memory allocator designed to store compressed RAM pages. zsmalloc uses virtual memory mapping -- 2.11.0