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authorDave Airlie <airlied@redhat.com>2019-06-21 12:06:03 +1000
committerDave Airlie <airlied@redhat.com>2019-06-21 12:18:16 +1000
commit031e610a6a21448a63dff7a0416e5e206724caac (patch)
tree3ae658895daeda054e9572c5583d2820b4d3f324 /include/linux
parentMerge v5.2-rc5 into drm-next (diff)
parentdrm/vmwgfx: Kill unneeded legacy security features (diff)
downloadlinux-dev-031e610a6a21448a63dff7a0416e5e206724caac.tar.xz
linux-dev-031e610a6a21448a63dff7a0416e5e206724caac.zip
Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next
- The coherent memory changes including mm changes. - Some vmwgfx debug fixes. - Removal of vmwgfx legacy security checks. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Hellstrom <VMware> <thomas@shipmail.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190619072531.4026-1-thomas@shipmail.org
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mm.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index dd0b5f4e1e45..798cdda9560e 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2686,7 +2686,24 @@ typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,
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, pgtable_t token, unsigned long addr,
+ struct pfn_range_apply *closure);
+struct pfn_range_apply {
+ struct mm_struct *mm;
+ pter_fn_t ptefn;
+ unsigned int alloc;
+};
+extern int apply_to_pfn_range(struct pfn_range_apply *closure,
+ unsigned long address, unsigned long size);
+unsigned long apply_as_wrprotect(struct address_space *mapping,
+ pgoff_t first_index, pgoff_t nr);
+unsigned long apply_as_clean(struct address_space *mapping,
+ pgoff_t first_index, pgoff_t nr,
+ pgoff_t bitmap_pgoff,
+ unsigned long *bitmap,
+ pgoff_t *start,
+ pgoff_t *end);
#ifdef CONFIG_PAGE_POISONING
extern bool page_poisoning_enabled(void);
extern void kernel_poison_pages(struct page *page, int numpages, int enable);