Author: alc Date: Mon Feb 18 01:22:20 2013 New Revision: 246929 URL: http://svnweb.freebsd.org/changeset/base/246929
Log: Place a cap on the size of the kernel's heap, also known as the kmem submap. Otherwise, after r246204, the auto-scaling logic in kern_malloc.c tries to create a kmem submap that consumes the entire kernel map on a Pandaboard with 1 GB of RAM. Tested by: gonzo Modified: head/sys/arm/include/vmparam.h Modified: head/sys/arm/include/vmparam.h ============================================================================== --- head/sys/arm/include/vmparam.h Mon Feb 18 01:14:21 2013 (r246928) +++ head/sys/arm/include/vmparam.h Mon Feb 18 01:22:20 2013 (r246929) @@ -145,6 +145,14 @@ #define VM_KMEM_SIZE_SCALE (2) #endif +/* + * Ceiling on the size of the kmem submap: 60% of the kernel map. + */ +#ifndef VM_KMEM_SIZE_MAX +#define VM_KMEM_SIZE_MAX ((vm_max_kernel_address - \ + VM_MIN_KERNEL_ADDRESS + 1) * 3 / 5) +#endif + #define MAXTSIZ (16*1024*1024) #ifndef DFLDSIZ #define DFLDSIZ (128*1024*1024) _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
