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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-10 09:01:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-21 13:08:22 -0700
commitd06063cc221fdefcab86589e79ddfdb7c0e14b63 (patch)
tree00ccaf8c1992b57a4445d78b9eae25fde0b3ab31 /mm
parent30c9f3a9fae79517bca595826a19c6855fbb6d32 (diff)
downloadlinux-d06063cc221fdefcab86589e79ddfdb7c0e14b63.tar.gz
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')
-rw-r--r--mm/memory.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/memory.c b/mm/memory.c
index e6a9700359d..98bcb90d595 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,
cond_resched();
while (!(page = follow_page(vma, start, foll_flags))) {
int ret;
- ret = handle_mm_fault(mm, vma, start,
- foll_flags & FOLL_WRITE);
+
+ /* FOLL_WRITE matches FAULT_FLAG_WRITE! */
+ ret = handle_mm_fault(mm, vma, start, foll_flags & FOLL_WRITE);
if (ret & VM_FAULT_ERROR) {
if (ret & VM_FAULT_OOM)
return i ? i : -ENOMEM;
@@ -2958,13 +2959,12 @@ unlock:
* By the time we get here, we already hold the mm semaphore
*/
int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
- unsigned long address, int write_access)
+ unsigned long address, unsigned int flags)
{
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
pte_t *pte;
- unsigned int flags = write_access ? FAULT_FLAG_WRITE : 0;
__set_current_state(TASK_RUNNING);