On Tue, 10 Nov 2020 22:01:51 +0000 Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> wrote: > 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. > > ... > > --- 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 Thanks. I believe that Stefan is working on a more general solution over in https://lkml.kernel.org/r/bdfa44bf1c570b05d6c70898e2bbb0acf234ecdf.1604762181.git.stefan@xxxxxxxx
