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| author | Logan Gunthorpe <logang@deltatee.com> | 2020-04-10 23:33:32 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-11 00:36:21 +0200 |
| commit | 4e00c5affdd4b04e6392001716333971932f3d0c (patch) | |
| tree | 3464748dc57192133c30d93832fab8d5da27fa92 /arch/powerpc/mm/mem.c | |
| parent | x86/mm: introduce __set_memory_prot() (diff) | |
| download | linux-4e00c5affdd4b04e6392001716333971932f3d0c.tar.xz linux-4e00c5affdd4b04e6392001716333971932f3d0c.zip | |
powerpc/mm: thread pgprot_t through create_section_mapping()
In prepartion to support a pgprot_t argument for arch_add_memory().
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Eric Badger <ebadger@gigaio.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Link: http://lkml.kernel.org/r/20200306170846.9333-6-logang@deltatee.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/mm/mem.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index e1cc58115816..bf63ab04db63 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -90,7 +90,8 @@ int memory_add_physaddr_to_nid(u64 start) } #endif -int __weak create_section_mapping(unsigned long start, unsigned long end, int nid) +int __weak create_section_mapping(unsigned long start, unsigned long end, + int nid, pgprot_t prot) { return -ENODEV; } @@ -131,7 +132,7 @@ int __ref arch_add_memory(int nid, u64 start, u64 size, resize_hpt_for_hotplug(memblock_phys_mem_size()); start = (unsigned long)__va(start); - rc = create_section_mapping(start, start + size, nid); + rc = create_section_mapping(start, start + size, nid, PAGE_KERNEL); if (rc) { pr_warn("Unable to create mapping for hot added memory 0x%llx..0x%llx: %d\n", start, start + size, rc); |