Merge "mm: cma: check the max limit for cma allocation" (da2b3bff) · Commits · e / devices / android_kernel_xiaomi_markw

mm/cma.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -367,6 +367,9 @@ struct page cma_alloc(struct cma cma, size_t count, unsigned int align)
		bitmap_maxno = cma_bitmap_maxno(cma);
		bitmap_count = cma_bitmap_pages_to_bits(cma, count);

		if (bitmap_count > bitmap_maxno)
		return NULL;

		for (;;) {
		mutex_lock(&cma->lock);
		bitmap_no = bitmap_find_next_zero_area(cma->bitmap,