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procfs: consolidate arch_report_meminfo declaration

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The arch_report_meminfo() function is provided by four architectures,
with a __weak fallback in procfs itself. On architectures that don't
have a custom version, the __weak version causes a warning because
of the missing prototype.

Remove the architecture specific prototypes and instead add one
in linux/proc_fs.h.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com> # for arch/x86
Acked-by: Helge Deller <deller@gmx.de> # parisc
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Message-Id: <20230516195834.551901-1-arnd@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Arnd Bergmann
2023-05-16 21:57:29 +02:00
committed by Christian Brauner
parent 247c8d2f98
commit ef104443bf
8 changed files with 5 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
arch/parisc/include/asm/pgtable.h
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@@ -472,9 +472,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
#define pte_same(A,B) (pte_val(A) == pte_val(B)) #define pte_same(A,B) (pte_val(A) == pte_val(B))
struct seq_file;
extern void arch_report_meminfo(struct seq_file *m);
#endif /* !__ASSEMBLY__ */ #endif /* !__ASSEMBLY__ */

3
arch/powerpc/include/asm/pgtable.h
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@@ -165,9 +165,6 @@ static inline bool is_ioremap_addr(const void *x)
return addr >= IOREMAP_BASE && addr < IOREMAP_END; return addr >= IOREMAP_BASE && addr < IOREMAP_END;
} }
struct seq_file;
void arch_report_meminfo(struct seq_file *m);
#endif /* CONFIG_PPC64 */ #endif /* CONFIG_PPC64 */
#endif /* __ASSEMBLY__ */ #endif /* __ASSEMBLY__ */

3
arch/s390/include/asm/pgtable.h
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@@ -42,9 +42,6 @@ static inline void update_page_count(int level, long count)
atomic_long_add(count, &direct_pages_count[level]); atomic_long_add(count, &direct_pages_count[level]);
} }
struct seq_file;
void arch_report_meminfo(struct seq_file *m);
/* /*
* The S390 doesn't have any external MMU info: the kernel page * The S390 doesn't have any external MMU info: the kernel page
* tables contain all the necessary information. * tables contain all the necessary information.

1
arch/s390/mm/pageattr.c
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@@ -4,6 +4,7 @@
* Author(s): Jan Glauber <jang@linux.vnet.ibm.com> * Author(s): Jan Glauber <jang@linux.vnet.ibm.com>
*/ */
#include <linux/hugetlb.h> #include <linux/hugetlb.h>
#include <linux/proc_fs.h>
#include <linux/vmalloc.h> #include <linux/vmalloc.h>
#include <linux/mm.h> #include <linux/mm.h>
#include <asm/cacheflush.h> #include <asm/cacheflush.h>

1
arch/x86/include/asm/pgtable.h
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@@ -27,6 +27,7 @@
extern pgd_t early_top_pgt[PTRS_PER_PGD]; extern pgd_t early_top_pgt[PTRS_PER_PGD];
bool __init __early_make_pgtable(unsigned long address, pmdval_t pmd); bool __init __early_make_pgtable(unsigned long address, pmdval_t pmd);
struct seq_file;
void ptdump_walk_pgd_level(struct seq_file *m, struct mm_struct *mm); void ptdump_walk_pgd_level(struct seq_file *m, struct mm_struct *mm);
void ptdump_walk_pgd_level_debugfs(struct seq_file *m, struct mm_struct *mm, void ptdump_walk_pgd_level_debugfs(struct seq_file *m, struct mm_struct *mm,
bool user); bool user);

3
arch/x86/include/asm/pgtable_types.h
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@@ -513,9 +513,6 @@ extern void native_pagetable_init(void);
#define native_pagetable_init paging_init #define native_pagetable_init paging_init
#endif #endif
struct seq_file;
extern void arch_report_meminfo(struct seq_file *m);
enum pg_level { enum pg_level {
PG_LEVEL_NONE, PG_LEVEL_NONE,
PG_LEVEL_4K, PG_LEVEL_4K,

1
arch/x86/mm/pat/set_memory.c
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@@ -9,6 +9,7 @@
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/seq_file.h> #include <linux/seq_file.h>
#include <linux/proc_fs.h>
#include <linux/debugfs.h> #include <linux/debugfs.h>
#include <linux/pfn.h> #include <linux/pfn.h>
#include <linux/percpu.h> #include <linux/percpu.h>

2
include/linux/proc_fs.h
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@@ -158,6 +158,8 @@ int proc_pid_arch_status(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task); struct pid *pid, struct task_struct *task);
#endif /* CONFIG_PROC_PID_ARCH_STATUS */ #endif /* CONFIG_PROC_PID_ARCH_STATUS */
void arch_report_meminfo(struct seq_file *m);
#else /* CONFIG_PROC_FS */ #else /* CONFIG_PROC_FS */
static inline void proc_root_init(void) static inline void proc_root_init(void)