summaryrefslogtreecommitdiff
path: root/src/macro.h
diff options
context:
space:
mode:
authorLennart Poettering <lennart@poettering.net>2010-09-23 15:01:41 +0200
committerLennart Poettering <lennart@poettering.net>2010-09-23 15:02:13 +0200
commit22be093ffb403a1c474037939ca9b88b1ee39f77 (patch)
tree99b06c7fa271316661a2c3e2ea9bd69ff370a53f /src/macro.h
parent647703fecb8c9928d0f13fd95d17fd5f2280c7e1 (diff)
readahead: implement minimal readahead logic based on fanotify(), mincore() and readahead()
Diffstat (limited to 'src/macro.h')
-rw-r--r--src/macro.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/macro.h b/src/macro.h
index 44b481775d..12ccbb1513 100644
--- a/src/macro.h
+++ b/src/macro.h
@@ -27,6 +27,8 @@
#include <sys/uio.h>
#include <inttypes.h>
+#define PAGE_SIZE 4096
+
#define _printf_attr_(a,b) __attribute__ ((format (printf, a, b)))
#define _sentinel_ __attribute__ ((sentinel))
#define _noreturn_ __attribute__((noreturn))
@@ -49,6 +51,10 @@ static inline size_t ALIGN(size_t l) {
return ((l + sizeof(void*) - 1) & ~(sizeof(void*) - 1));
}
+static inline size_t PAGE_ALIGN(size_t l) {
+ return ((l + PAGE_SIZE - 1) & ~(PAGE_SIZE -1));
+}
+
#define ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
#define MAX(a,b) \