[PATCH] mm: fix build failure with xtensa

[Sudip Mukherjee]

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