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authorAnshuman Khandual <anshuman.khandual@arm.com>2019-07-11 20:58:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-12 11:05:46 -0700
commit8b1e0f81fb6fcf3109465a168b2e2da3f711fa86 (patch)
tree4a037e7ba6c1132e68e12e68041c87eaddf1b324 /arch/arm
parentc2471e79a7ea0f48e3ae9253e1f3688a44cc944d (diff)
downloadlinux-8b1e0f81fb6fcf3109465a168b2e2da3f711fa86.tar.gz
mm/pgtable: drop pgtable_t variable from pte_fn_t functions
Drop the pgtable_t variable from all implementation for pte_fn_t as none
of them use it.  apply_to_pte_range() should stop computing it as well.
Should help us save some cycles.

Link: http://lkml.kernel.org/r/1556803126-26596-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Matthew Wilcox <willy@infradead.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: <jglisse@redhat.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/kernel/efi.c3
-rw-r--r--arch/arm/mm/dma-mapping.c3
-rw-r--r--arch/arm/mm/pageattr.c3
3 files changed, 3 insertions, 6 deletions
diff --git a/arch/arm/kernel/efi.c b/arch/arm/kernel/efi.c
index ed005870671a..e57dbcc89123 100644
--- a/arch/arm/kernel/efi.c
+++ b/arch/arm/kernel/efi.c
@@ -8,8 +8,7 @@
 #include <asm/mach/map.h>
 #include <asm/mmu_context.h>
 
-static int __init set_permissions(pte_t *ptep, pgtable_t token,
-				  unsigned long addr, void *data)
+static int __init set_permissions(pte_t *ptep, unsigned long addr, void *data)
 {
 	efi_memory_desc_t *md = data;
 	pte_t pte = *ptep;
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 439bb6a59a04..1fb5c0ca1ed8 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -493,8 +493,7 @@ void __init dma_contiguous_remap(void)
 	}
 }
 
-static int __dma_update_pte(pte_t *pte, pgtable_t token, unsigned long addr,
-			    void *data)
+static int __dma_update_pte(pte_t *pte, unsigned long addr, void *data)
 {
 	struct page *page = virt_to_page(addr);
 	pgprot_t prot = *(pgprot_t *)data;
diff --git a/arch/arm/mm/pageattr.c b/arch/arm/mm/pageattr.c
index 0f5faf30d9bf..d546efad7e97 100644
--- a/arch/arm/mm/pageattr.c
+++ b/arch/arm/mm/pageattr.c
@@ -14,8 +14,7 @@ struct page_change_data {
 	pgprot_t clear_mask;
 };
 
-static int change_page_range(pte_t *ptep, pgtable_t token, unsigned long addr,
-			void *data)
+static int change_page_range(pte_t *ptep, unsigned long addr, void *data)
 {
 	struct page_change_data *cdata = data;
 	pte_t pte = *ptep;