diff options
| -rw-r--r-- | include/erofs/internal.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/erofs/internal.h b/include/erofs/internal.h index e7d5a64..41da189 100644 --- a/include/erofs/internal.h +++ b/include/erofs/internal.h @@ -23,8 +23,18 @@ typedef unsigned short umode_t; #define PATH_MAX 4096 /* # chars in a path name including nul */ #endif +#ifndef PAGE_SHIFT #define PAGE_SHIFT (12) +#endif + +#ifndef PAGE_SIZE #define PAGE_SIZE (1U << PAGE_SHIFT) +#endif + +/* no obvious reason to support explicit PAGE_SIZE != 4096 for now */ +#if PAGE_SIZE != 4096 +#error incompatible PAGE_SIZE is already defined +#endif #define LOG_BLOCK_SIZE (12) #define EROFS_BLKSIZ (1U << LOG_BLOCK_SIZE) |