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mm/pgtable: drop pgtable_t variable from pte_fn_t functions

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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/[email protected]
Signed-off-by: Anshuman Khandual <[email protected]>
Acked-by: Matthew Wilcox <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Cc: Russell King <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Logan Gunthorpe <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: <[email protected]>
Cc: Mike Rapoport <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Anshuman Khandual 2019-07-11 20:58:43 -07:00 • committed by Linus Torvalds
commit 8b1e0f81fb
13 changed files with 15 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/xen/gntdev.c
View file

@ -264,8 +264,7 @@ void gntdev_put_map(struct gntdev_priv *priv, struct gntdev_grant_map *map)
/* ------------------------------------------------------------------ */
static int find_grant_ptes(pte_t *pte, pgtable_t token,
unsigned long addr, void *data)
static int find_grant_ptes(pte_t *pte, unsigned long addr, void *data)
{
struct gntdev_grant_map *map = data;
unsigned int pgnr = (addr - map->vma->vm_start) >> PAGE_SHIFT;
@ -292,8 +291,7 @@ static int find_grant_ptes(pte_t *pte, pgtable_t token,
}
#ifdef CONFIG_X86
static int set_grant_ptes_as_special(pte_t *pte, pgtable_t token,
unsigned long addr, void *data)
static int set_grant_ptes_as_special(pte_t *pte, unsigned long addr, void *data)
{
set_pte_at(current->mm, addr, pte, pte_mkspecial(*pte));
return 0;

6
drivers/xen/privcmd.c
View file

@ -731,8 +731,7 @@ struct remap_pfn {
unsigned long i;
};
static int remap_pfn_fn(pte_t *ptep, pgtable_t token, unsigned long addr,
void *data)
static int remap_pfn_fn(pte_t *ptep, unsigned long addr, void *data)
{
struct remap_pfn *r = data;
struct page *page = r->pages[r->i];
@ -966,8 +965,7 @@ static int privcmd_mmap(struct file *file, struct vm_area_struct *vma)
* on a per pfn/pte basis. Mapping calls that fail with ENOENT
* can be then retried until success.
*/
static int is_mapped_fn(pte_t *pte, struct page *pmd_page,
unsigned long addr, void *data)
static int is_mapped_fn(pte_t *pte, unsigned long addr, void *data)
{
return pte_none(*pte) ? 0 : -EBUSY;
}

3
drivers/xen/xlate_mmu.c
View file

@ -93,8 +93,7 @@ static void setup_hparams(unsigned long gfn, void *data)
info->fgfn++;
}
static int remap_pte_fn(pte_t *ptep, pgtable_t token, unsigned long addr,
void *data)
static int remap_pte_fn(pte_t *ptep, unsigned long addr, void *data)
{
struct remap_data *info = data;
struct page *page = info->pages[info->index++];