ptep_get_and_clear has a signature that looks something like:
static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep)
It appears that its suppose to return the pte_t pointed to by ptep before its modified. Why do we bother doing this? The caller seems perfectly able to dereference ptep and hold on to it. Am I missing something here?
If not, I'll work up a set of patches to change ptep_get_and_clear and its callers for post 2.6.12 release.
- kumar
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