AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[PATCH] pids: coding style: use struct pidmap

Browse Source 
Use struct pidmap instead of pidmap_t.

Its a subset of Eric Biederman's patch http://lkml.org/lkml/2006/2/6/271.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Sukadev Bhattiprolu 2006-10-02 02:17:20 -07:00 committed by Linus Torvalds
parent b68e31d0eb
commit 6a1f3b8455
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
kernel/pid.c
View File

@ -53,12 +53,12 @@ int pid_max_max = PID_MAX_LIMIT;
* value does not cause lots of bitmaps to be allocated, but
* the scheme scales to up to 4 million PIDs, runtime.
*/
typedef struct pidmap {
struct pidmap {
atomic_t nr_free;
void *page;
} pidmap_t;
};
static pidmap_t pidmap_array[PIDMAP_ENTRIES] =
static struct pidmap pidmap_array[PIDMAP_ENTRIES] =
{ [ 0 ... PIDMAP_ENTRIES-1 ] = { ATOMIC_INIT(BITS_PER_PAGE), NULL } };
/*
@ -78,7 +78,7 @@ static __cacheline_aligned_in_smp DEFINE_SPINLOCK(pidmap_lock);
static fastcall void free_pidmap(int pid)
{
pidmap_t *map = pidmap_array + pid / BITS_PER_PAGE;
struct pidmap *map = pidmap_array + pid / BITS_PER_PAGE;
int offset = pid & BITS_PER_PAGE_MASK;
clear_bit(offset, map->page);
@ -88,7 +88,7 @@ static fastcall void free_pidmap(int pid)
static int alloc_pidmap(void)
{
int i, offset, max_scan, pid, last = last_pid;
pidmap_t *map;
struct pidmap *map;
pid = last + 1;
if (pid >= pid_max)