Messages in this thread Patch in this message | | | Subject | [PATCH] Re: Dmesg: Use a PAE enabled kernel | From | Roland Dreier <> | Date | 12 Mar 2003 13:05:02 -0800 |
| |
How about something like the following (untested) patch?
This is against 2.5 but will probably apply with offset to 2.4.
- Roland
--- 1.71/arch/i386/kernel/setup.c Thu Feb 27 16:10:55 2003 +++ edited/arch/i386/kernel/setup.c Wed Mar 12 12:54:42 2003 @@ -634,8 +634,11 @@ max_low_pfn = MAXMEM_PFN; #ifndef CONFIG_HIGHMEM /* Maximum memory usable is what is directly addressable */ - printk(KERN_WARNING "Warning only %ldMB will be used.\n", - MAXMEM>>20); + printk(KERN_WARNING "WARNING: only %ldMB can be addressed.\n" + "%ldMB of RAM is inaccessible and will not be used.\n", + MAXMEM >> 20, + PAGE_SHIFT < 20 ? (max_pfn - MAXMEM_PFN) >> (20 - PAGE_SHIFT) + : (max_pfn - MAXMEM_PFN) << (PAGE_SHIFT - 20)); if (max_pfn > MAX_NONPAE_PFN) printk(KERN_WARNING "Use a PAE enabled kernel.\n"); else @@ -644,9 +647,12 @@ #else /* !CONFIG_HIGHMEM */ #ifndef CONFIG_X86_PAE if (max_pfn > MAX_NONPAE_PFN) { - max_pfn = MAX_NONPAE_PFN; - printk(KERN_WARNING "Warning only 4GB will be used.\n"); + printk(KERN_WARNING "WARNING: only 4GB can be addressed.\n" + "%ldMB of RAM is inaccessible and will not be used.\n", + PAGE_SHIFT < 20 ? (max_pfn - MAX_NONPAE_PFN) >> (20 - PAGE_SHIFT) + : (max_pfn - MAX_NONPAE_PFN) << (PAGE_SHIFT - 20)); printk(KERN_WARNING "Use a PAE enabled kernel.\n"); + max_pfn = MAX_NONPAE_PFN; } #endif /* !CONFIG_X86_PAE */ #endif /* !CONFIG_HIGHMEM */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |