From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
The argument is basically the struct page of the pte_t * passed into
the callback. But there's no need to pass that, since it can be fairly
easily derived from the pte_t * itself if needed (and no current users
need to do that anyway).
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
arch/x86/xen/grant-table.c | 6 ++----
arch/x86/xen/mmu.c | 3 +--
include/linux/mm.h | 3 +--
mm/memory.c | 2 +-
mm/vmalloc.c | 2 +-
5 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c
index 49ba9b5..5bf892a 100644
--- a/arch/x86/xen/grant-table.c
+++ b/arch/x86/xen/grant-table.c
@@ -44,8 +44,7 @@
#include <asm/pgtable.h>
-static int map_pte_fn(pte_t *pte, struct page *pmd_page,
- unsigned long addr, void *data)
+static int map_pte_fn(pte_t *pte, unsigned long addr, void *data)
{
unsigned long **frames = (unsigned long **)data;
@@ -54,8 +53,7 @@ static int map_pte_fn(pte_t *pte, struct page *pmd_page,
return 0;
}
-static int unmap_pte_fn(pte_t *pte, struct page *pmd_page,
- unsigned long addr, void *data)
+static int unmap_pte_fn(pte_t *pte, unsigned long addr, void *data)
{
set_pte_at(&init_mm, addr, pte, __pte(0));
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 5e92b61..38ba804 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2292,8 +2292,7 @@ struct remap_data {
struct mmu_update *mmu_update;
};
-static int remap_area_mfn_pte_fn(pte_t *ptep, pgtable_t token,
- unsigned long addr, void *data)
+static int remap_area_mfn_pte_fn(pte_t *ptep, unsigned long addr, void *data)
{
struct remap_data *rmd = data;
pte_t pte = pte_mkspecial(pfn_pte(rmd->mfn++, rmd->prot));
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 956a355..bb898ec 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1529,8 +1529,7 @@ struct page *follow_page(struct vm_area_struct *,
unsigned long address,
#define FOLL_MLOCK 0x40 /* mark page as mlocked */
#define FOLL_SPLIT 0x80 /* don't return transhuge pages, split them */
-typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,
- void *data);
+typedef int (*pte_fn_t)(pte_t *pte, unsigned long addr, void *data);
extern int apply_to_page_range(struct mm_struct *mm, unsigned long address,
unsigned long size, pte_fn_t fn, void *data);
diff --git a/mm/memory.c b/mm/memory.c
index 31250fa..740470c 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2032,7 +2032,7 @@ static int apply_to_pte_range(struct mm_struct *mm, pmd_t
*pmd,
token = pmd_pgtable(*pmd);
do {
- err = fn(pte++, token, addr, data);
+ err = fn(pte++, addr, data);
if (err)
break;
} while (addr += PAGE_SIZE, addr != end);
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index f9b1667..5ddbdfe 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2061,7 +2061,7 @@ void __attribute__((weak)) vmalloc_sync_all(void)
}
-static int f(pte_t *pte, pgtable_t table, unsigned long addr, void *data)
+static int f(pte_t *pte, unsigned long addr, void *data)
{
/* apply_to_page_range() does all the hard work. */
return 0;
--
1.7.3.4
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