From 976dd4dc99c3eaf45e3802ed46e3cc06a1ad8689 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 24 Jun 2008 14:55:32 -0700 Subject: [PATCH] x86: fix e820_update_range size when overlapping before that we relay on sanitize_e820_map to remove the overlap. but e820_update_range(,,E820_RESERVED, E820_RAM) will not work this patch fix that who is going to use this? Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/e820.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 512f779fc6a..15b4393ff9b 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -425,6 +425,11 @@ u64 __init e820_update_range(u64 start, u64 size, unsigned old_type, e820_add_region(final_start, final_end - final_start, new_type); real_updated_size += final_end - final_start; + + ei->size -= final_end - final_start; + if (ei->addr < final_start) + continue; + ei->addr = final_end; } return real_updated_size; } -- 2.41.1