Messages in this thread Patch in this message | | | Date | Mon, 23 Oct 2006 15:33:59 -0400 | From | Vivek Goyal <> | Subject | [PATCH 5/11] i386: Reserve kernel memory starting from _text |
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Currently when we are reserving the memory the kernel text resides in we start at __PHYSICAL_START which happens to be correct but not very obvious. In addition when we start relocating the kernel __PHYSICAL_START is the wrong value, as it is an absolute symbol that does not get relocated.
By starting the reservation at __pa_symbol(_text) the code is clearer and will be correct when relocated.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> ---
arch/i386/kernel/setup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN arch/i386/kernel/setup.c~i386-setup.c-Reserve-kernel-memory-starting-from-_text arch/i386/kernel/setup.c --- linux-2.6.19-rc2-git7-reloc/arch/i386/kernel/setup.c~i386-setup.c-Reserve-kernel-memory-starting-from-_text 2006-10-23 13:15:21.000000000 -0400 +++ linux-2.6.19-rc2-git7-reloc-root/arch/i386/kernel/setup.c 2006-10-23 13:15:21.000000000 -0400 @@ -1118,8 +1118,8 @@ void __init setup_bootmem_allocator(void * the (very unlikely) case of us accidentally initializing the * bootmem allocator with an invalid RAM area. */ - reserve_bootmem(__PHYSICAL_START, (PFN_PHYS(min_low_pfn) + - bootmap_size + PAGE_SIZE-1) - (__PHYSICAL_START)); + reserve_bootmem(__pa_symbol(_text), (PFN_PHYS(min_low_pfn) + + bootmap_size + PAGE_SIZE-1) - __pa_symbol(_text)); /* * reserve physical page 0 - it's a special BIOS page on many boxes, _ - 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/
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