mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-01 23:04:54 +01:00
Jiri Olsa
b45f65e8fd
To zero all the xyarray contents. It will be used in following patches. Signed-off-by: Jiri Olsa <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Andi Kleen <[email protected]> Cc: David Ahern <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
23 lines
490 B
C
23 lines
490 B
C
#ifndef _PERF_XYARRAY_H_
|
|
#define _PERF_XYARRAY_H_ 1
|
|
|
|
#include <sys/types.h>
|
|
|
|
struct xyarray {
|
|
size_t row_size;
|
|
size_t entry_size;
|
|
size_t entries;
|
|
char contents[];
|
|
};
|
|
|
|
struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
|
|
void xyarray__delete(struct xyarray *xy);
|
|
void xyarray__reset(struct xyarray *xy);
|
|
|
|
static inline void *xyarray__entry(struct xyarray *xy, int x, int y)
|
|
{
|
|
return &xy->contents[x * xy->row_size + y * xy->entry_size];
|
|
}
|
|
|
|
#endif /* _PERF_XYARRAY_H_ */
|