Messages in this thread | | | Date | Thu, 18 Jul 2013 14:39:28 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: negative left shift count when PAGE_SHIFT > 20 |
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On Fri, 19 Jul 2013 00:56:12 +0800 Jerry <uulinux@gmail.com> wrote:
> When PAGE_SHIFT > 20, the result of "20 - PAGE_SHIFT" is negative. The > calculating here will generate an unexpected result. In addition, if > PAGE_SHIFT > 20, The memory size represented by numentries was already > integral multiple of 1MB. >
If you tell me that you have a machine which has PAGE_SIZE=2MB and this was the only problem which prevented Linux from running on that machine then I'll apply the patch ;)
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