Messages in this thread | | | Date | Sun, 29 Mar 1998 13:22:33 -0800 | From | Benjamin Redelings I <> | Subject | Re: 2.1.91 swap performance: jerky. |
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Hi Alan, I saw your post about problems in 2.1.91, and I think you might want to try 2.1.92-pre1. The patch is pretty small... it looks like it fixes some PPP bugs and some mm bugs. I've tried it myself, and I barely have ANY swapping :) Although my machine is QUITE unstressed, it was actually doing a lot of swapping before. Here is a summary of the interesting mm parts:
file.c: (line 223) + /* Mark the buffer untouched if we'll move on to the next one.. */ + if (!(pos & (sb->s_blocksize-1))) + clear_bit(BH_Touched, &bh->b_state); page_alloc.c: (line 129) - struct free_area_struct * list = NULL; + struct free_area_struct * list; + + /* + * If we have more than 25% of all memory free, + * consider it to be good enough for anything. + */ + if (nr_free_pages > num_physpages >> 2) + return nr+1;
I have a 64Mb PPro 166 machine, and have experienced no problems with PPP, X windows, or swapping yet :) Hope 'tis useful -BenRI
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