Andrew Pinski <andrew.pin...@caviumnetworks.com> writes: > On Mon, Nov 14, 2011 at 3:41 PM, Andrew Pinski > <andrew.pin...@caviumnetworks.com> wrote: >> Since Linux 2.6.36, both the heap and mmap are randomized on MIPS like >> other architectures. This breaks PCH because currently >> TRY_EMPTY_VM_SPACE is not defined for MIPS. >> This patch fixes the issue and allows largefile test to pass now. >> >> OK? Bootstraped and tested on mips64-linux-gnu. >> >> Thanks, >> Andrew Pinski >> >> ChangeLog: >> * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for MIPS. >> > > Index: config/host-linux.c > =================================================================== > --- config/host-linux.c (revision 181366) > +++ config/host-linux.c (working copy) > @@ -86,6 +86,10 @@ > # define TRY_EMPTY_VM_SPACE 0x40000000 > #elif defined(__ARM_EABI__) > # define TRY_EMPTY_VM_SPACE 0x60000000 > +#elif defined(__mips__) && defined(__LP64__) > +# define TRY_EMPTY_VM_SPACE 0x8000000000 > +#elif defined(__mips__) > +# define TRY_EMPTY_VM_SPACE 0x60000000 > #else > # define TRY_EMPTY_VM_SPACE 0 > #endif
OK. Out of interest, is there any science behind the LP64 value? (I realise it matches s390x and SPARC.) Richard
