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3c3daeafcd
Introduce a new test case "vrealloc_test" that exercises the vrealloc() shrink and in-place grow paths: - Grow beyond allocated pages (triggers full reallocation). - Shrink crossing a page boundary (frees tail pages). - Shrink within the same page (no page freeing). - Grow within the already allocated page count (in-place). Data integrity is validated after each realloc step by checking that the first byte of the original allocation is preserved. The test is gated behind run_test_mask bit 12 (id 4096). Link: https://lore.kernel.org/20260519-vmalloc-shrink-v14-5-70b96ee3e9c9@zohomail.in Signed-off-by: Shivam Kalra <shivamkalra98@zohomail.in> Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com> Cc: Alice Ryhl <aliceryhl@google.com> Cc: Danilo Krummrich <dakr@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
706 lines
14 KiB
706 lines
14 KiB