With boot-time switching between paging mode we will have variable MAX_PHYSMEM_BITS.
Let's use the maximum variable possible for CONFIG_X86_5LEVEL=y configuration to define zsmalloc data structures. Signed-off-by: Kirill A. Shutemov <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Nitin Gupta <[email protected]> Cc: Sergey Senozhatsky <[email protected]> --- mm/zsmalloc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 7c38e850a8fc..fe22661f2fe5 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -93,7 +93,13 @@ #define MAX_PHYSMEM_BITS BITS_PER_LONG #endif #endif + +#ifdef CONFIG_X86_5LEVEL +/* MAX_PHYSMEM_BITS is variable, use maximum value here */ +#define _PFN_BITS (52 - PAGE_SHIFT) +#else #define _PFN_BITS (MAX_PHYSMEM_BITS - PAGE_SHIFT) +#endif /* * Memory for allocating for handle keeps object position by -- 2.14.1
