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watch_queue: Use page->private instead of page->index

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We are attempting to eliminate page->index, so use page->private
instead.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20241125175443.2911738-1-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-11-25 17:54:41 +00:00 committed by Christian Brauner
parent 480347503e
commit d2cf03fa46
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 2 deletions
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kernel/watch_queue.c
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@ -71,7 +71,7 @@ static void watch_queue_pipe_buf_release(struct pipe_inode_info *pipe,
bit /= WATCH_QUEUE_NOTE_SIZE;
page = buf->page;
bit += page->index;
bit += page->private;
set_bit(bit, wqueue->notes_bitmap);
generic_pipe_buf_release(pipe, buf);
@ -278,7 +278,7 @@ long watch_queue_set_size(struct pipe_inode_info *pipe, unsigned int nr_notes)
pages[i] = alloc_page(GFP_KERNEL);
if (!pages[i])
goto error_p;
pages[i]->index = i * WATCH_QUEUE_NOTES_PER_PAGE;
pages[i]->private = i * WATCH_QUEUE_NOTES_PER_PAGE;
}
bitmap = bitmap_alloc(nr_notes, GFP_KERNEL);