x86: prepare page allocator for high allocations on PAGEALLOC=y

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To preserve the DMA pool in CONFIG_DEBUG_PAGEALLOC=y kernels, we'll
allocate pagetables from above the 16MB DMA limit, so we'll have to set
up boot pagetables to cover 16MB more RAM (worst-case).

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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Ingo Molnar 2007-10-17 18:04:34 +02:00 • committed by Thomas Gleixner

parent f97586b610

commit 1e3e19723e

1 changed files with 9 additions and 0 deletions

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arch/x86/kernel/head_32.S

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