gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NUMA: expose CPU and memory info in /proc/self/status

Browse Source
This commit is contained in:
Balazs Gerofi
2016-10-14 21:23:34 +09:00
parent faa929e717
commit 994b9a19ac
8 changed files with 1631 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
lib/include/bitops.h
View File

@@ -27,6 +27,31 @@ unsigned long find_first_bit(const unsigned long *addr,
unsigned long find_first_zero_bit(const unsigned long *addr,
unsigned long size);
static inline int test_bit(int nr, const void *addr)
{
const uint32_t *p = (const uint32_t *)addr;
return ((1UL << (nr & 31)) & (p[nr >> 5])) != 0;
}
extern unsigned int __sw_hweight32(unsigned int w);
extern unsigned int __sw_hweight16(unsigned int w);
extern unsigned int __sw_hweight8(unsigned int w);
extern unsigned long __sw_hweight64(uint64_t w);
static inline unsigned long hweight_long(unsigned long w)
{
return sizeof(w) == 4 ? __sw_hweight32(w) : __sw_hweight64(w);
}
#define BIT(nr) (1UL << (nr))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
#define BITS_PER_BYTE 8
#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
#define __ALIGN_MASK(x, mask) __ALIGN_KERNEL_MASK((x), (mask))
#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
#define ALIGN(x, a) __ALIGN_KERNEL((x), (a))
#endif /*__ASSEMBLY__*/
#include <arch-bitops.h>