Messages in this thread Patch in this message | | | Date | Sun, 12 Feb 2006 19:50:02 +0000 (GMT) | From | Hugh Dickins <> | Subject | [PATCH 3/3] compound page: no access_process_vm check |
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The PageCompound check before access_process_vm's set_page_dirty_lock is no longer necessary, so remove it. But leave the PageCompound checks in bio_set_pages_dirty, dio_bio_complete and nfs_free_user_pages: at least some of those were introduced as a little optimization on hugetlb pages.
Signed-off-by: Hugh Dickins <hugh@veritas.com> ---
kernel/ptrace.c | 3 +-- 1 files changed, 1 insertion(+), 2 deletions(-)
--- 2.6.16-rc2-git11/kernel/ptrace.c 2006-02-03 09:32:51.000000000 +0000 +++ 2.6.16-rc2-git11+/kernel/ptrace.c 2006-02-10 20:07:05.000000000 +0000 @@ -242,8 +242,7 @@ int access_process_vm(struct task_struct if (write) { copy_to_user_page(vma, page, addr, maddr + offset, buf, bytes); - if (!PageCompound(page)) - set_page_dirty_lock(page); + set_page_dirty_lock(page); } else { copy_from_user_page(vma, page, addr, buf, maddr + offset, bytes); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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