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Patches 3 - 7 are fine. Thanks, Corinna On Oct 8 14:45, Sebastian Huber wrote: > Use latest FreeBSD values for some parameters. > > newlib/ChangeLog > 2013-10-08 Sebastian Huber <sebastian.huber@embedded-brains.de> > > * libc/libc/sys/rtems/sys/param.h: Update some parameters to > the latest FreeBSD values. > --- > newlib/libc/sys/rtems/sys/param.h | 56 +++++++++++++++++++++--------------- > 1 files changed, 33 insertions(+), 23 deletions(-) > > diff --git a/newlib/libc/sys/rtems/sys/param.h b/newlib/libc/sys/rtems/sys/param.h > index 7be877d..eac24e9 100644 > --- a/newlib/libc/sys/rtems/sys/param.h > +++ b/newlib/libc/sys/rtems/sys/param.h > @@ -66,19 +66,19 @@ > * Redefined constants are from POSIX 1003.1 limits file. > * > * MAXCOMLEN should be >= sizeof(ac_comm) (see <acct.h>) > - * MAXLOGNAME should be >= UT_NAMESIZE (see <utmp.h>) > */ > #include <sys/syslimits.h> > > -#define MAXCOMLEN 16 /* max command name remembered */ > -#define MAXINTERP 32 /* max interpreter file name length */ > -#define MAXLOGNAME 12 /* max login name length */ > +#define MAXCOMLEN 19 /* max command name remembered */ > +#define MAXINTERP PATH_MAX /* max interpreter file name length */ > +#define MAXLOGNAME 33 /* max login name length (incl. NUL) */ > #define MAXUPRC CHILD_MAX /* max simultaneous processes */ > #define NCARGS ARG_MAX /* max bytes for an exec function */ > -#define NGROUPS NGROUPS_MAX /* max number groups */ > +#define NGROUPS (NGROUPS_MAX+1) /* max number groups */ > #define NOFILE OPEN_MAX /* max open files per process */ > #define NOGROUP 65535 /* marker for empty group set member */ > #define MAXHOSTNAMELEN 256 /* max hostname size */ > +#define SPECNAMELEN 63 /* max length of devicename */ > > /* More types and definitions used throughout the kernel. */ > #if defined(KERNEL) || defined(_KERNEL) > @@ -123,21 +123,29 @@ > /* > * File system parameters and macros. > * > - * The file system is made out of blocks of at most MAXBSIZE units, with > - * smaller units (fragments) only in the last direct block. MAXBSIZE > - * primarily determines the size of buffers in the buffer pool. It may be > - * made larger without any effect on existing file systems; however making > - * it smaller make make some file systems unmountable. Also, MAXBSIZE > - * must be less than MAXPHYS!!! DFLTBSIZE is the average amount of > - * memory allocated by vfs_bio per nbuf. BKVASIZE is the average amount > - * of kernel virtual space allocated per nbuf. BKVASIZE should be >= > - * DFLTBSIZE. If it is significantly bigger than DFLTBSIZE, then > - * kva fragmentation causes fewer performance problems. > + * MAXBSIZE - Filesystems are made out of blocks of at most MAXBSIZE bytes > + * per block. MAXBSIZE may be made larger without effecting > + * any existing filesystems as long as it does not exceed MAXPHYS, > + * and may be made smaller at the risk of not being able to use > + * filesystems which require a block size exceeding MAXBSIZE. > + * > + * BKVASIZE - Nominal buffer space per buffer, in bytes. BKVASIZE is the > + * minimum KVM memory reservation the kernel is willing to make. > + * Filesystems can of course request smaller chunks. Actual > + * backing memory uses a chunk size of a page (PAGE_SIZE). > + * > + * If you make BKVASIZE too small you risk seriously fragmenting > + * the buffer KVM map which may slow things down a bit. If you > + * make it too big the kernel will not be able to optimally use > + * the KVM memory reserved for the buffer cache and will wind > + * up with too-few buffers. > + * > + * The default is 16384, roughly 2x the block size used by a > + * normal UFS filesystem. > */ > -#define MAXBSIZE 65536 > -#define BKVASIZE 8192 > -#define DFLTBSIZE 4096 > -#define MAXFRAG 8 > +#define MAXBSIZE 65536 /* must be power of 2 */ > +#define BKVASIZE 16384 /* must be power of 2 */ > +#define BKVAMASK (BKVASIZE-1) > > /* > * MAXPATHLEN defines the longest permissible path length after expanding > @@ -154,10 +162,12 @@ > #define MAXSYMLINKS 32 > > /* Bit map related macros. */ > -#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) > -#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) > -#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) > -#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) > +#define setbit(a,i) (((unsigned char *)(a))[(i)/NBBY] |= 1<<((i)%NBBY)) > +#define clrbit(a,i) (((unsigned char *)(a))[(i)/NBBY] &= ~(1<<((i)%NBBY))) > +#define isset(a,i) \ > + (((const unsigned char *)(a))[(i)/NBBY] & (1<<((i)%NBBY))) > +#define isclr(a,i) \ > + ((((const unsigned char *)(a))[(i)/NBBY] & (1<<((i)%NBBY))) == 0) > > /* Macros for counting and rounding. */ > #ifndef howmany > -- > 1.7.7 -- Corinna Vinschen Cygwin Maintainer Red Hat
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