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binder: initialize lru pages in mmap callback
Rather than repeatedly initializing some of the binder_lru_page members during binder_alloc_new_buf(), perform this initialization just once in binder_alloc_mmap_handler(), after the pages have been created. Reviewed-by: Alice Ryhl <aliceryhl@google.com> Signed-off-by: Carlos Llamas <cmllamas@google.com> Link: https://lore.kernel.org/r/20231201172212.1813387-19-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -274,9 +274,6 @@ static int binder_allocate_page_range(struct binder_alloc *alloc,
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trace_binder_alloc_page_start(alloc, index);
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page->alloc = alloc;
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INIT_LIST_HEAD(&page->lru);
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ret = binder_install_single_page(alloc, page, page_addr);
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if (ret) {
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binder_free_page_range(alloc, start, page_addr);
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@ -798,9 +795,9 @@ void binder_alloc_free_buf(struct binder_alloc *alloc,
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int binder_alloc_mmap_handler(struct binder_alloc *alloc,
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struct vm_area_struct *vma)
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{
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int ret;
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const char *failure_string;
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struct binder_buffer *buffer;
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const char *failure_string;
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int ret, i;
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if (unlikely(vma->vm_mm != alloc->mm)) {
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ret = -EINVAL;
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@ -829,6 +826,11 @@ int binder_alloc_mmap_handler(struct binder_alloc *alloc,
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goto err_alloc_pages_failed;
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}
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for (i = 0; i < alloc->buffer_size / PAGE_SIZE; i++) {
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alloc->pages[i].alloc = alloc;
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INIT_LIST_HEAD(&alloc->pages[i].lru);
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}
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buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
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if (!buffer) {
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ret = -ENOMEM;
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