Author: jhibbits Date: Sun Jan 8 21:12:46 2017 New Revision: 311703 URL: https://svnweb.freebsd.org/changeset/base/311703
Log: Knock a page off VM_MAX_KERNEL_ADDRESS There are places where checks are made against VM_MAX_KERNEL_ADDRESS, or virtual_end (set to VM_MAX_KERNEL_ADDRESS). With 32-bit checks, an address will always be less than or equal to 0xffffffff. Drop a page, so those checks can terminate loops safely. Modified: head/sys/powerpc/include/vmparam.h Modified: head/sys/powerpc/include/vmparam.h ============================================================================== --- head/sys/powerpc/include/vmparam.h Sun Jan 8 20:58:58 2017 (r311702) +++ head/sys/powerpc/include/vmparam.h Sun Jan 8 21:12:46 2017 (r311703) @@ -111,7 +111,7 @@ #define KERNBASE 0xc0000000 /* start of kernel virtual */ #define VM_MIN_KERNEL_ADDRESS KERNBASE -#define VM_MAX_KERNEL_ADDRESS 0xffffffff +#define VM_MAX_KERNEL_ADDRESS 0xffffefff #define VM_MAX_SAFE_KERNEL_ADDRESS VM_MAX_KERNEL_ADDRESS #endif /* AIM/E500 */ _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
