Messages in this thread |  | | | Date | Wed, 10 Dec 2003 23:22:54 -0800 | | From | "Martin J. Bligh" <> | | Subject | Re: PROBLEM: Linux 2.6.0-test11 only lets me use 1GB out of 2GB ram. |
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>>> You're probably thinking of 2:2 split patches. >>> 2:2 splits are at least technically ABI violations, which is probably >>> why this isn't merged etc. Applications sensitive to it are uncommon. >>> Yes, the SVR4 i386 ELF/ABI spec literally mandates 0xC0000000 as the >>> top of the process address space. > > On Wed, Dec 10, 2003 at 11:08:38PM -0800, Martin J. Bligh wrote: >> You mean like we place the stack in the "ABI compliant place"? >> Yeah, right ;-) > > No specific address is ever cited as a requirement for stack placement; > stack immediately below text is merely given as a "typical arrangement". > i.e. "Although applications may control their memory assignments, the > typical arrangement appears below: [diagram and other bits]" It then > goes on to say, "Processes, therefore, shount _not_ depend on finding > their stack at a particular virtual address." > > The process address space boundary is, however, stated as a requirement: > "the reserved area shall not consume more than 1GB of the address space."
;-)
OK, fair enough ... it doesn't actually break anything though ;-)
m.
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