2023-05-22 07:44:24

by Ard Biesheuvel

[permalink] [raw]
Subject: [PATCH v3 15/21] decompress: Use 8 byte alignment

The ZSTD decompressor requires malloc() allocations to be 8 byte
aligned, so ensure that this the case.

Signed-off-by: Ard Biesheuvel <[email protected]>
---
include/linux/decompress/mm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
index 9192986b1a731323..ac862422df158bef 100644
--- a/include/linux/decompress/mm.h
+++ b/include/linux/decompress/mm.h
@@ -48,7 +48,7 @@ MALLOC_VISIBLE void *malloc(int size)
if (!malloc_ptr)
malloc_ptr = free_mem_ptr;

- malloc_ptr = (malloc_ptr + 3) & ~3; /* Align */
+ malloc_ptr = (malloc_ptr + 7) & ~7; /* Align */

p = (void *)malloc_ptr;
malloc_ptr += size;
--
2.39.2