diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2000-08-08 22:17:26 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2000-08-08 22:17:26 +0000 |
commit | 984760dbf5e48f6224dfe9e26e03536b3d38b6cd (patch) | |
tree | a99674322e524c4c90009b3bdae5fab0eebf2094 /kernel | |
parent | a7ce7d5e94c98ef5b867f61b2ebecd563f4b6ec9 (diff) |
Merge with Linux 2.4.0-test6-pre8.
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/ptrace.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 6c5d1f143..a749bb501 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -24,7 +24,6 @@ static int access_one_page(struct mm_struct * mm, struct vm_area_struct * vma, u pgd_t * pgdir; pmd_t * pgmiddle; pte_t * pgtable; - unsigned long mapnr; unsigned long maddr; struct page *page; @@ -42,11 +41,10 @@ repeat: pgtable = pte_offset(pgmiddle, addr); if (!pte_present(*pgtable)) goto fault_in_page; - mapnr = pte_pagenr(*pgtable); if (write && (!pte_write(*pgtable) || !pte_dirty(*pgtable))) goto fault_in_page; - page = mem_map + mapnr; - if ((mapnr >= max_mapnr) || PageReserved(page)) + page = pte_page(*pgtable); + if ((!VALID_PAGE(page)) || PageReserved(page)) return 0; flush_cache_page(vma, addr); |