Remove the unused parameter @ra_max from adjust_rala() and adjust_rala_aggressive(). Signed-off-by: Fengguang Wu --- mm/readahead.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) --- linux-2.6.21-rc3-mm2.orig/mm/readahead.c +++ linux-2.6.21-rc3-mm2/mm/readahead.c @@ -1000,8 +1000,7 @@ static unsigned long ra_submit(struct fi * - @ra_size stores the estimated thrashing-threshold. * - @la_size stores the look-ahead size of previous request. */ -static int adjust_rala(unsigned long ra_max, - unsigned long *ra_size, unsigned long *la_size) +static int adjust_rala(unsigned long *ra_size, unsigned long *la_size) { /* * Cancel asynchrous read-ahead, @@ -1143,15 +1142,15 @@ state_based_readahead(struct address_spa goto cancel_lookahead; } + if (!adjust_rala(&ra_size, &la_size)) + goto cancel_lookahead; + growth_limit = req_size; growth_limit += ra_max / 16; growth_limit += 2 * ra_old; if (growth_limit > ra_max) growth_limit = ra_max; - if (!adjust_rala(growth_limit, &ra_size, &la_size)) - goto cancel_lookahead; - limit_rala(growth_limit, la_old, &ra_size, &la_size); /* ra_size in its _steady_ state reflects thrashing threshold */ @@ -1345,8 +1344,8 @@ out_unlock: * which is safe: the tailing look-ahead part is 'unsafe'. However it will be * safeguarded by rescue_pages() when the previous chunks are lost. */ -static void adjust_rala_aggressive(unsigned long ra_max, - unsigned long *ra_size, unsigned long *la_size) +static void adjust_rala_aggressive(unsigned long *ra_size, + unsigned long *la_size) { pgoff_t offset = *ra_size; @@ -1463,12 +1462,12 @@ has_history_pages: if (ra_size >= offset) { ra_size = offset; - adjust_rala_aggressive(ra_max, &ra_size, &la_size); + adjust_rala_aggressive(&ra_size, &la_size); ra_set_class(ra, RA_CLASS_CONTEXT_AGGRESSIVE); } else { if (ra_size < ra_min) ra_size = ra_min; - if (!adjust_rala(ra_max, &ra_size, &la_size)) + if (!adjust_rala(&ra_size, &la_size)) return -1; ra_set_class(ra, RA_CLASS_CONTEXT); } -- - 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/