From: Dave Jiang <dave.jiang@intel.com> To: akpm@linux-foundation.org Cc: mawilcox@microsoft.com, linux-nvdimm@lists.01.org, dave.hansen@linux.intel.com, linux-mm@kvack.org, jack@suse.com, kirill.shutemov@linux.intel.com Subject: [PATCH] x86, mm: fix NOHIGHMEM && X86_PAE build config for native_pud_clear() Date: Mon, 06 Mar 2017 15:18:18 -0700 [thread overview] Message-ID: <148883869853.70777.12180810304957921737.stgit@djiang5-desk3.ch.intel.com> (raw) Looks like a 32bit x86 build failure case where X86_PAE and NOHIMEM are on. This was reported by kbuild test bot. In file included from include/linux/mm.h:68:0, from include/linux/highmem.h:7, from include/linux/bio.h:21, from include/linux/writeback.h:205, from include/linux/memcontrol.h:30, from include/linux/swap.h:8, from include/linux/suspend.h:4, from arch/x86/kernel/asm-offsets.c:12: arch/x86/include/asm/pgtable.h: In function 'native_local_pudp_get_and_clear': >> arch/x86/include/asm/pgtable.h:888:2: error: implicit declaration of function 'native_pud_clear' [-Werror=implicit-function-declaration] native_pud_clear(pudp); ^~~~~~~~~~~~~~~~ Fixes: a00cc7d9dd93d ("mm, x86: add support for PUD-sized transparent hugepages") Signed-off-by: Dave Jiang <dave.jiang@intel.com> --- arch/x86/include/asm/pgtable-3level.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index 72277b1..d337738 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -121,8 +121,9 @@ static inline void native_pmd_clear(pmd_t *pmd) *(tmp + 1) = 0; } -#if !defined(CONFIG_SMP) || (defined(CONFIG_HIGHMEM64G) && \ - defined(CONFIG_PARAVIRT)) +#if !defined(CONFIG_SMP) || \ + (defined(CONFIG_HIGHMEM64G) && defined(CONFIG_PARAVIRT)) || \ + (defined(CONFIG_NOHIGHMEM) && defined(CONFIG_X86_PAE)) static inline void native_pud_clear(pud_t *pudp) { } _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm
WARNING: multiple messages have this Message-ID (diff)
From: Dave Jiang <dave.jiang@intel.com> To: akpm@linux-foundation.org Cc: dave.hansen@linux.intel.com, mawilcox@microsoft.com, linux-nvdimm@lists.01.org, linux-mm@kvack.org, jack@suse.com, dan.j.williams@intel.com, ross.zwisler@linux.intel.com, kirill.shutemov@linux.intel.com Subject: [PATCH] x86, mm: fix NOHIGHMEM && X86_PAE build config for native_pud_clear() Date: Mon, 06 Mar 2017 15:18:18 -0700 [thread overview] Message-ID: <148883869853.70777.12180810304957921737.stgit@djiang5-desk3.ch.intel.com> (raw) Looks like a 32bit x86 build failure case where X86_PAE and NOHIMEM are on. This was reported by kbuild test bot. In file included from include/linux/mm.h:68:0, from include/linux/highmem.h:7, from include/linux/bio.h:21, from include/linux/writeback.h:205, from include/linux/memcontrol.h:30, from include/linux/swap.h:8, from include/linux/suspend.h:4, from arch/x86/kernel/asm-offsets.c:12: arch/x86/include/asm/pgtable.h: In function 'native_local_pudp_get_and_clear': >> arch/x86/include/asm/pgtable.h:888:2: error: implicit declaration of function 'native_pud_clear' [-Werror=implicit-function-declaration] native_pud_clear(pudp); ^~~~~~~~~~~~~~~~ Fixes: a00cc7d9dd93d ("mm, x86: add support for PUD-sized transparent hugepages") Signed-off-by: Dave Jiang <dave.jiang@intel.com> --- arch/x86/include/asm/pgtable-3level.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index 72277b1..d337738 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -121,8 +121,9 @@ static inline void native_pmd_clear(pmd_t *pmd) *(tmp + 1) = 0; } -#if !defined(CONFIG_SMP) || (defined(CONFIG_HIGHMEM64G) && \ - defined(CONFIG_PARAVIRT)) +#if !defined(CONFIG_SMP) || \ + (defined(CONFIG_HIGHMEM64G) && defined(CONFIG_PARAVIRT)) || \ + (defined(CONFIG_NOHIGHMEM) && defined(CONFIG_X86_PAE)) static inline void native_pud_clear(pud_t *pudp) { } -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next reply other threads:[~2017-03-06 22:18 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-06 22:18 Dave Jiang [this message] 2017-03-06 22:18 ` [PATCH] x86, mm: fix NOHIGHMEM && X86_PAE build config for native_pud_clear() Dave Jiang
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