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Diffstat (limited to '')
-rw-r--r-- | src/common/page.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/common/page.cc b/src/common/page.cc new file mode 100644 index 00000000..7a252a60 --- /dev/null +++ b/src/common/page.cc @@ -0,0 +1,19 @@ +#include <unistd.h> + +namespace ceph { + + // page size crap, see page.h + int _get_bits_of(int v) { + int n = 0; + while (v) { + n++; + v = v >> 1; + } + return n; + } + + unsigned _page_size = sysconf(_SC_PAGESIZE); + unsigned long _page_mask = ~(unsigned long)(_page_size - 1); + unsigned _page_shift = _get_bits_of(_page_size - 1); + +} |