Re[2]: [PATCH] powerpc 44x: support for 256KB PAGE_SIZE

2008-12-21 Thread Yuri Tikhonov
Hello Milton, Thanks for reviewing. I'll re-post the updated patch shortly. On Sunday, December 21, 2008 you wrote: > On Dec 19, 2008, at 12:39 AM, Yuri Tikhonov wrote: >> This patch adds support for 256KB pages on ppc44x-based boards. >> > Hi. A couple of small comments. >> diff --git a

Re: [PATCH] powerpc 44x: support for 256KB PAGE_SIZE

2008-12-20 Thread Milton Miller
On Dec 19, 2008, at 12:39 AM, Yuri Tikhonov wrote: This patch adds support for 256KB pages on ppc44x-based boards. Hi. A couple of small comments. diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index cd8ff7c..348702c 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @

[PATCH] powerpc 44x: support for 256KB PAGE_SIZE

2008-12-18 Thread Yuri Tikhonov
This patch adds support for 256KB pages on ppc44x-based boards. For simplification of implementation with 256KB pages we still assume 2-level paging. As a side effect this leads to wasting extra memory space reserved for PTE tables: only 1/4 of pages allocated for PTEs are actually used. But this