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nexedi
linux
Commits
ead7eb17
Commit
ead7eb17
authored
Jul 27, 2002
by
Paul Mackerras
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PPC32: remove unused code in ppc_htab.c
parent
c479ed68
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arch/ppc/kernel/ppc_htab.c
arch/ppc/kernel/ppc_htab.c
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arch/ppc/kernel/ppc_htab.c
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ead7eb17
...
...
@@ -381,47 +381,6 @@ static ssize_t ppc_htab_write(struct file * file, const char * buffer,
}
}
return
count
;
#if 0 /* resizing htab is a bit difficult right now -- Cort */
unsigned long size;
extern void reset_SDR1(void);
/* only know how to set size right now */
if ( strncmp( buffer, "size ", 5) )
return -EINVAL;
size = simple_strtoul( &buffer[5], NULL, 10 );
/* only allow to shrink */
if ( size >= Hash_size>>10 )
return -EINVAL;
/* minimum size of htab */
if ( size < 64 )
return -EINVAL;
/* make sure it's a multiple of 64k */
if ( size % 64 )
return -EINVAL;
printk("Hash table resize to %luk\n", size);
/*
* We need to rehash all kernel entries for the new htab size.
* Kernel only since we do a flush_tlb_all(). Since it's kernel
* we only need to bother with vsids 0-15. To avoid problems of
* clobbering un-rehashed values we put the htab at a new spot
* and put everything there.
* -- Cort
*/
Hash_size = size<<10;
Hash_mask = (Hash_size >> 6) - 1;
_SDR1 = __pa(Hash) | (Hash_mask >> 10);
flush_tlb_all();
reset_SDR1();
#endif
return
count
;
#else
/* CONFIG_PPC_STD_MMU */
return
0
;
...
...
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