Author: adrian Date: Sun Apr 15 19:54:22 2012 New Revision: 234323 URL: http://svn.freebsd.org/changeset/base/234323
Log: Drop this down from 512 to 128 for now. This may result in a bit of a throughput drop. However, any throughput drop at this point should be investigated and root caused, as it's likely because TX scheduling (all the way down to how preemption, scheduler work, etc) is happening in a sub-optimal fashion. This also makes it much more likely to be reloadable on a live machine. Allocating 5120 TX ath_buf entries via contigmalloc is very unlikely after a few hours of using X/Chromium. Modified: head/sys/dev/ath/if_athvar.h Modified: head/sys/dev/ath/if_athvar.h ============================================================================== --- head/sys/dev/ath/if_athvar.h Sun Apr 15 18:32:14 2012 (r234322) +++ head/sys/dev/ath/if_athvar.h Sun Apr 15 19:54:22 2012 (r234323) @@ -47,7 +47,7 @@ * 802.11n requires more TX and RX buffers to do AMPDU. */ #ifdef ATH_ENABLE_11N -#define ATH_TXBUF 512 +#define ATH_TXBUF 128 #define ATH_RXBUF 512 #endif _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
