From 90db7b220c9aea91948e82d51b99514f9398f9b5 Mon Sep 17 00:00:00 2001 From: David Abdurachmanov Date: Tue, 22 Oct 2019 19:21:35 +0300 Subject: [PATCH] riscv: fix fs/proc/kcore.c compilation with sparsemem enabled Failed to compile Fedora/RISCV kernel (5.4-rc3+) with sparsemem enabled: fs/proc/kcore.c: In function 'read_kcore': fs/proc/kcore.c:510:8: error: implicit declaration of function 'kern_addr_valid'; did you mean 'virt_addr_valid'? [-Werror=implicit-function-declaration] 510 | if (kern_addr_valid(start)) { | ^~~~~~~~~~~~~~~ | virt_addr_valid Looking at other architectures I don't see kern_addr_valid being guarded by CONFIG_FLATMEM. Fixes: d95f1a542c3d ("RISC-V: Implement sparsemem") Signed-off-by: David Abdurachmanov Tested-by: David Abdurachmanov Reviewed-by: Logan Gunthorpe Signed-off-by: Paul Walmsley --- arch/riscv/include/asm/pgtable.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 42292d99cc74..7110879358b8 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -428,9 +428,7 @@ static inline int ptep_clear_flush_young(struct vm_area_struct *vma, #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -#ifdef CONFIG_FLATMEM #define kern_addr_valid(addr) (1) /* FIXME */ -#endif extern void *dtb_early_va; extern void setup_bootmem(void);