The patch titled
Subject: mm: move phys_mem_access_prot_allowed() declaration to pgtable.h
has been added to the -mm tree. Its filename is
mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh.patch
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From: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
Subject: mm: move phys_mem_access_prot_allowed() declaration to pgtable.h
We get 1 warning when building kernel with W=1:
drivers/char/mem.c:220:12: warning: no previous prototype for 'phys_mem_access_prot_allowed' [-Wmissing-prototypes]
int __weak phys_mem_access_prot_allowed(struct file *file,
In fact, its declaration is spreading to several header files in different
architecture, but need to be declare in common header file.
So this patch moves phys_mem_access_prot_allowed() to pgtable.h.
Link: http://lkml.kernel.org/r/1473751597-12139-1-git-send-email-baoyou.xie@xxxxxxxxxx
Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/mips/include/asm/pgtable.h | 2 --
arch/x86/include/asm/pgtable_types.h | 2 --
include/asm-generic/pgtable.h | 3 +++
3 files changed, 3 insertions(+), 4 deletions(-)
diff -puN arch/mips/include/asm/pgtable.h~mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh arch/mips/include/asm/pgtable.h
--- a/arch/mips/include/asm/pgtable.h~mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh
+++ a/arch/mips/include/asm/pgtable.h
@@ -673,8 +673,6 @@ static inline pmd_t pmdp_huge_get_and_cl
struct file;
pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
unsigned long size, pgprot_t vma_prot);
-int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
- unsigned long size, pgprot_t *vma_prot);
#endif
/*
diff -puN arch/x86/include/asm/pgtable_types.h~mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh arch/x86/include/asm/pgtable_types.h
--- a/arch/x86/include/asm/pgtable_types.h~mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh
+++ a/arch/x86/include/asm/pgtable_types.h
@@ -439,8 +439,6 @@ extern pgprot_t pgprot_writethrough(pgpr
struct file;
pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
unsigned long size, pgprot_t vma_prot);
-int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
- unsigned long size, pgprot_t *vma_prot);
/* Install a pte for a particular vaddr in kernel space. */
void set_pte_vaddr(unsigned long vaddr, pte_t pte);
diff -puN include/asm-generic/pgtable.h~mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh include/asm-generic/pgtable.h
--- a/include/asm-generic/pgtable.h~mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh
+++ a/include/asm-generic/pgtable.h
@@ -800,6 +800,9 @@ static inline int pmd_clear_huge(pmd_t *
#endif
#endif
+struct file;
+int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
+ unsigned long size, pgprot_t *vma_prot);
#endif /* !__ASSEMBLY__ */
#ifndef io_remap_pfn_range
_
Patches currently in -mm which might be from baoyou.xie@xxxxxxxxxx are
mm-move-phys_mem_access_prot_allowed-declaration-to-pgtableh.patch
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