diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2014-12-12 16:55:27 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 12:42:47 -0800 |
| commit | e1d6d01ab491bee6cfa02f2c10db50f31de85e79 (patch) | |
| tree | 60cba1a90f20e629af163fb7d4f0abb8b4ee78b9 | |
| parent | 7d9ca0004fc356d8606ded88a7d5d06550aac946 (diff) | |
| download | linux-e1d6d01ab491bee6cfa02f2c10db50f31de85e79.tar.bz2 | |
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: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Oded Gabbay <oded.gabbay@amd.com>
Cc: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/memory.c | 1 | ||||
| -rw-r--r-- | mm/mmap.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c index 5afdb5b8d4e2..fbf74112de5b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3365,6 +3365,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, return ret; } +EXPORT_SYMBOL_GPL(handle_mm_fault); #ifndef __PAGETABLE_PUD_FOLDED /* diff --git a/mm/mmap.c b/mm/mmap.c index 0d84b2f86f3b..7b36aa7cc89a 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2362,6 +2362,8 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr) } #endif +EXPORT_SYMBOL_GPL(find_extend_vma); + /* * Ok - we have the memory areas we should free on the vma list, * so release them, and do the vma updates. |