x86: Dynamically increase early_res array size

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Use early_res_count to track the num, and use find_e820 to get a new
buffer, then copy from the old to the new one.

Also, clear early_res to prevent later invalid usage.

-v2 _check_and_double_early_res should take new start

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-14-git-send-email-yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

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Yinghai Lu 2010-02-10 01:20:17 -08:00 • committed by H. Peter Anvin

parent 264ebb182e

commit 28b1c57d3c

1 changed files with 53 additions and 0 deletions

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arch/x86/kernel/e820.c

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