From: Andrea Arcangeli <and...@suse.de>
Subject: 2.2.14aa1
Date: 2000/01/05
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The main features of 2.2.14aa1 are:
o Support for 4Gigabyte of RAM on IA32 (me and Gerhard Wichert)
o Support for 2048Gigabyte of RAM on alpha (stock 2.2.14 alpha
limit is of 2Giga of RAM) (me)
o Improved VM for high end machines with enough ram and doing
heavy I/O under high memory pressure. (me)
o RAW-IO (also on bigmem). (Stephen C. Tweedie)
o sensitive SMP scheduler improvements. (me)
Detailed description of 2.2.14aa1:
---------------------------------------------------------------------------
SMP-scheduler-2.2.11-E.gz -> rewrote of reschedule_idle. (me)
alpha-imb-1.gz -> alpha have an icache not coherent
with the dcache and it can be
also a virtually tagged and
virtually indexed cache thus
imb is necessary in some place
to avoid crashes for example
while insmodding modules. (me)
java-proc.gz -> revertd the semantic change that
make difference between
/proc/00000$$ and /proc/$$, this
allows backwards compatibilty of
a misfeature and it _won't_ hurt
security. There's no downside
in reverting the 2.2.13 semantic
change.
kupdate-sigstop-2.2.11-1.gz -> allows kupdate to be stopped via
SIGSTOP (currently it must be stopped
by setting interval to zero via
sysctl). (me)
no-swapout-2.2.10-B.gz -> avoid swapin/swapouts during heavy
I/O (strictly necessary for decent
performances on very I/O and MM loaded
servers). (me)
probe-irq-2.3.14-pre2-1.gz -> avoid a pending irq to be mistaken
for a spurious irq. (me)
rtclight-2.2.14-1.gz -> necessary for Alpha SMP.
shrink_all_cache-2.2.10-A.gz -> make sure that big memory boxes will
shrink the cache well enough. (me)
trashing-mem-2.2.10-A.gz -> heuristic to penalize memory hogs,
the system will remains responsive
also during heavy swapout. (me)
z-bigmem-2.2.14aa1-7.gz -> bigmem production code (IA32 and
alpha). (me and Gerhard Wichert)
z-bigmem-rawio-2.2.14aa1.gz -> SCT's rawio bigmem capable. (Stephen C.
Tweedie)
---------------------------------------------------------------------------
As usual all the separate patches are in:
ftp://ftp.*.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.2/2.2.14aa1/
and they can be applyed in order to generate the 2.2.14aa1 kernel.
This time I also provided a whole diff, so if you don't want to bother to
download all single patches you can simply download this patch against
2.2.14:
ftp://ftp.*.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.2/2.2.14aa1.gz
and apply it to go in sync with 2.2.14aa1.
Andrea
PS. If you'll run with more than 4giga of RAM on alpha, you'll need also
to fix procps if you want to read the correct MM values with `free`, `top`
and `vmstat`. procps takes all the memory information with byte
granularity in `int` words (and not long words). I fixed procps this way:
ftp://ftp.suse.com/pub/people/andrea/procps/procps-2.0.2-bigmem-1.gz
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