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arm64:mm: free the useless initial page table
authorzhichang.yuan <zhichang.yuan@linaro.org>
Tue, 9 Dec 2014 07:26:47 +0000 (07:26 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Wed, 28 Jan 2015 12:07:28 +0000 (12:07 +0000)
For 64K page system, after mapping a PMD section, the corresponding initial
page table is not needed any more. That page can be freed.

Signed-off-by: Zhichang Yuan <zhichang.yuan@linaro.org>
[catalin.marinas@arm.com: added BUG_ON() to catch late memblock freeing]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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