The patch titled
Subject: m68k: provide __phys_to_pfn() and __pfn_to_phys()
has been added to the -mm tree. Its filename is
x86-mm-introduce-vmem_altmap-to-augment-vmemmap_populate-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/x86-mm-introduce-vmem_altmap-to-augment-vmemmap_populate-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/x86-mm-introduce-vmem_altmap-to-augment-vmemmap_populate-fix.patch
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------------------------------------------------------
From: Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>
Subject: m68k: provide __phys_to_pfn() and __pfn_to_phys()
The defconfig build of m68k was failing with the error: implicit
declaration of function '__pfn_to_phys'
Other architectures have added <asm/memory.h>, but if we do so here then
we will also get redeclaration of some other functions. So it is better
to copy these macros into page.h.
[geert: apply to page.h instead of page_mm.h to cover nommu, reword]
Fixes: 0a3c3bf11240 ("x86, mm: introduce vmem_altmap to augment vmemmap_populate()")
Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx> (m68knommu)
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/m68k/include/asm/page.h | 3 +++
1 file changed, 3 insertions(+)
diff -puN arch/m68k/include/asm/page.h~x86-mm-introduce-vmem_altmap-to-augment-vmemmap_populate-fix arch/m68k/include/asm/page.h
--- a/arch/m68k/include/asm/page.h~x86-mm-introduce-vmem_altmap-to-augment-vmemmap_populate-fix
+++ a/arch/m68k/include/asm/page.h
@@ -48,6 +48,9 @@ extern unsigned long _ramend;
#include <asm/page_no.h>
#endif
+#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT))
+#define __pfn_to_phys(pfn) PFN_PHYS(pfn)
+
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
_
Patches currently in -mm which might be from sudipm.mukherjee@xxxxxxxxx are
m32r-fix-m32104ut_defconfig-build-fail.patch
arch-uapi-asm-mmanh-let-madv_free-have-same-value-for-all-architectures-fix-fix-2-fix-4.patch
x86-mm-introduce-vmem_altmap-to-augment-vmemmap_populate-fix.patch
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