erofs-utils: lib: shorten EROFS_FRAGMENT_INMEM_SZ_MAX

EROFS_CONFIG_COMPR_MAX_SZ (currently 4MiB) is too large and could
cause OOM kills on small setups.

Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250214062407.3281416-3-hsiangkao@linux.alibaba.com

diff --git a/lib/fragments.c b/lib/fragments.c
index a4311b1a6055a2bdbff0256c687ba5443449095d..e22b773e46253ee8d5a32ec9f7787a5c9069f92f 100644 (file)
--- a/lib/fragments.c
+++ b/lib/fragments.c
@@ -31,7 +31,7 @@ struct erofs_fragment_dedupe_item {
        u8                      data[];
 };
 
-#define EROFS_FRAGMENT_INMEM_SZ_MAX    EROFS_CONFIG_COMPR_MAX_SZ
+#define EROFS_FRAGMENT_INMEM_SZ_MAX    (256 * 1024)
 #define EROFS_TOF_HASHLEN              16
 
 #define FRAGMENT_HASHSIZE              65536