if (m->keep_free == (uint64_t) -1) {
if (fs_size > 0) {
- m->keep_free = PAGE_ALIGN(fs_size / 20); /* 5% of file system size */
+ m->keep_free = PAGE_ALIGN(fs_size * 3 / 20); /* 15% of file system size */
if (m->keep_free > DEFAULT_KEEP_FREE_UPPER)
m->keep_free = DEFAULT_KEEP_FREE_UPPER;