On Wed, 2002-05-08 at 09:02, Robert Szentmihalyi wrote:
>
> Can anybody who knows the XFS code please tell what the alias VM_PAGEBUF
> in this enumeration is used for and how I could fix this?
>
> The original 2.4.49-pre7 code seems to define another alias for 11 in this enum:
>
> /* CTL_VM names: */
> enum
> {
> VM_SWAPCTL=1, /* struct: Set vm swapping control */
> VM_SWAPOUT=2, /* int: Linear or sqrt() swapout for hogs */
> VM_FREEPG=3, /* struct: Set free page thresholds */
> VM_BDFLUSH=4, /* struct: Control buffer cache flushing */
> VM_OVERCOMMIT_MEMORY=5, /* Turn off the virtual memory safety limit */
> VM_BUFFERMEM=6, /* struct: Set buffer memory thresholds */
> VM_PAGECACHE=7, /* struct: Set cache memory thresholds */
> VM_PAGERDAEMON=8, /* struct: Control kswapd behaviour */
> VM_PGT_CACHE=9, /* struct: Set page table cache parameters */
> VM_PAGE_CLUSTER=10, /* int: set number of pages to swap together */
> VM_MAX_MAP_COUNT=11, /* int: Maximum number of active map areas */
> VM_MIN_READAHEAD=12, /* Min file readahead */
> VM_MAX_READAHEAD=13, /* Max file readahead */
> };
>
> Any hints?
>
Just push the VM_PAGEBUF number up to an unused value, there are no
user space programs which actually use it, just the /proc interface
is normally used for this.
Steve
--Steve Lord voice: +1-651-683-3511 Principal Engineer, Filesystem Software email: lord@sgi.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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