Commit e1d6d01a authored by Jesse Barnes's avatar Jesse Barnes Committed by Linus Torvalds

mm: export find_extend_vma() and handle_mm_fault() for driver use

This lets drivers like the AMD IOMMUv2 driver handle faults a bit more
simply, rather than doing tricks with page refs and get_user_pages().
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Cc: Oded Gabbay <oded.gabbay@amd.com>
Cc: Joerg Roedel <jroedel@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7d9ca000
...@@ -3365,6 +3365,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, ...@@ -3365,6 +3365,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
return ret; return ret;
} }
EXPORT_SYMBOL_GPL(handle_mm_fault);
#ifndef __PAGETABLE_PUD_FOLDED #ifndef __PAGETABLE_PUD_FOLDED
/* /*
......
...@@ -2362,6 +2362,8 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr) ...@@ -2362,6 +2362,8 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr)
} }
#endif #endif
EXPORT_SYMBOL_GPL(find_extend_vma);
/* /*
* Ok - we have the memory areas we should free on the vma list, * Ok - we have the memory areas we should free on the vma list,
* so release them, and do the vma updates. * so release them, and do the vma updates.
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment