diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-10 12:01:23 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-21 16:08:22 -0400 |
commit | d06063cc221fdefcab86589e79ddfdb7c0e14b63 (patch) | |
tree | 00ccaf8c1992b57a4445d78b9eae25fde0b3ab31 /mm/memory.c | |
parent | 30c9f3a9fae79517bca595826a19c6855fbb6d32 (diff) |
Move FAULT_FLAG_xyz into handle_mm_fault() callers
This allows the callers to now pass down the full set of FAULT_FLAG_xyz
flags to handle_mm_fault(). All callers have been (mechanically)
converted to the new calling convention, there's almost certainly room
for architectures to clean up their code and then add FAULT_FLAG_RETRY
when that support is added.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
-rw-r--r-- | mm/memory.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/memory.c b/mm/memory.c index e6a9700359df..98bcb90d5957 100644 --- a/mm/memory.c +++ b/mm/memory.c | |||
@@ -1310,8 +1310,9 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, | |||
1310 | cond_resched(); | 1310 | cond_resched(); |
1311 | while (!(page = follow_page(vma, start, foll_flags))) { | 1311 | while (!(page = follow_page(vma, start, foll_flags))) { |
1312 | int ret; | 1312 | int ret; |
1313 | ret = handle_mm_fault(mm, vma, start, | 1313 | |
1314 | foll_flags & FOLL_WRITE); | 1314 | /* FOLL_WRITE matches FAULT_FLAG_WRITE! */ |
1315 | ret = handle_mm_fault(mm, vma, start, foll_flags & FOLL_WRITE); | ||
1315 | if (ret & VM_FAULT_ERROR) { | 1316 | if (ret & VM_FAULT_ERROR) { |
1316 | if (ret & VM_FAULT_OOM) | 1317 | if (ret & VM_FAULT_OOM) |
1317 | return i ? i : -ENOMEM; | 1318 | return i ? i : -ENOMEM; |
@@ -2958,13 +2959,12 @@ unlock: | |||
2958 | * By the time we get here, we already hold the mm semaphore | 2959 | * By the time we get here, we already hold the mm semaphore |
2959 | */ | 2960 | */ |
2960 | int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, | 2961 | int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, |
2961 | unsigned long address, int write_access) | 2962 | unsigned long address, unsigned int flags) |
2962 | { | 2963 | { |
2963 | pgd_t *pgd; | 2964 | pgd_t *pgd; |
2964 | pud_t *pud; | 2965 | pud_t *pud; |
2965 | pmd_t *pmd; | 2966 | pmd_t *pmd; |
2966 | pte_t *pte; | 2967 | pte_t *pte; |
2967 | unsigned int flags = write_access ? FAULT_FLAG_WRITE : 0; | ||
2968 | 2968 | ||
2969 | __set_current_state(TASK_RUNNING); | 2969 | __set_current_state(TASK_RUNNING); |
2970 | 2970 | ||