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Revert "mm: adjust apply_to_pfn_range interface for dropped token."

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This reverts commit 6dfc43d3a1.

Going to revert the whole vmwwgfx pull.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2019-07-16 04:06:29 +10:00
parent 6dfc43d3a1
commit 7e4b4dfc98
3 changed files with 8 additions and 6 deletions
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2
include/linux/mm.h
View File

@ -2687,7 +2687,7 @@ extern int apply_to_page_range(struct mm_struct *mm, unsigned long address,
unsigned long size, pte_fn_t fn, void *data);
struct pfn_range_apply;
typedef int (*pter_fn_t)(pte_t *pte, unsigned long addr,
typedef int (*pter_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,
struct pfn_range_apply *closure);
struct pfn_range_apply {
struct mm_struct *mm;

6
mm/as_dirty_helpers.c
View File

@ -26,6 +26,7 @@ struct apply_as {
/**
* apply_pt_wrprotect - Leaf pte callback to write-protect a pte
* @pte: Pointer to the pte
* @token: Page table token, see apply_to_pfn_range()
* @addr: The virtual page address
* @closure: Pointer to a struct pfn_range_apply embedded in a
* struct apply_as
@ -35,7 +36,7 @@ struct apply_as {
*
* Return: Always zero.
*/
static int apply_pt_wrprotect(pte_t *pte,
static int apply_pt_wrprotect(pte_t *pte, pgtable_t token,
unsigned long addr,
struct pfn_range_apply *closure)
{
@ -77,6 +78,7 @@ struct apply_as_clean {
/**
* apply_pt_clean - Leaf pte callback to clean a pte
* @pte: Pointer to the pte
* @token: Page table token, see apply_to_pfn_range()
* @addr: The virtual page address
* @closure: Pointer to a struct pfn_range_apply embedded in a
* struct apply_as_clean
@ -89,7 +91,7 @@ struct apply_as_clean {
*
* Return: Always zero.
*/
static int apply_pt_clean(pte_t *pte,
static int apply_pt_clean(pte_t *pte, pgtable_t token,
unsigned long addr,
struct pfn_range_apply *closure)
{

6
mm/memory.c
View File

@ -2053,7 +2053,7 @@ static int apply_to_pte_range(struct pfn_range_apply *closure, pmd_t *pmd,
token = pmd_pgtable(*pmd);
do {
err = closure->ptefn(pte++, addr, closure);
err = closure->ptefn(pte++, token, addr, closure);
if (err)
break;
} while (addr += PAGE_SIZE, addr != end);
@ -2194,14 +2194,14 @@ struct page_range_apply {
* Callback wrapper to enable use of apply_to_pfn_range for
* the apply_to_page_range interface
*/
static int apply_to_page_range_wrapper(pte_t *pte,
static int apply_to_page_range_wrapper(pte_t *pte, pgtable_t token,
unsigned long addr,
struct pfn_range_apply *pter)
{
struct page_range_apply *pra =
container_of(pter, typeof(*pra), pter);
return pra->fn(pte, NULL, addr, pra->data);
return pra->fn(pte, token, addr, pra->data);
}
/*