On 08/03/13 19:01, Yinghai Lu wrote: > On Fri, Mar 8, 2013 at 10:47 AM, David Vrabel <[email protected]> wrote: >> In init_mem_mapping(), if the first chunk of memory that is mapped is >> small, there will not be enough mapped pages to allocate page table >> pages for the next (larger) chunk. >> >> Estimate how many pages are used for the mappings so far and how many >> are needed for a larger chunk, and only increase step_size if there >> are enough free pages. >> >> This fixes a boot failure on a system where the first chunk of memory >> mapped only had 3 pages in it. >> >> init_memory_mapping: [mem 0x00000000-0x000fffff] >> init_memory_mapping: [mem 0x20d000000-0x20d002fff] >> init_memory_mapping: [mem 0x20c000000-0x20cffffff] >> Kernel panic - not syncing: alloc_low_page: can not alloc memory > > Can you check current linus tree? > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=98e7a989979b185f49e86ddaed2ad6890299d9f0 > > should fix the problem with your system.
Yes, that fixes it thanks. David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
