Messages in this thread | | | Subject | Re: [PATCH] hugetlb: call arch_prepare_hugepage() for surplus pages | From | Adam Litke <> | Date | Tue, 05 Aug 2008 10:43:34 -0500 |
| |
On Tue, 2008-08-05 at 17:29 +0200, Gerald Schaefer wrote: > From: Gerald Schaefer <gerald.schaefer@de.ibm.com> > > The s390 software large page emulation implements shared page tables > by using page->index of the first tail page from a compound large page > to store page table information. This is set up in arch_prepare_hugepage(), > which is called from alloc_fresh_huge_page_node(). > > A similar call to arch_prepare_hugepage() is missing for surplus large > pages that are allocated in alloc_buddy_huge_page(), which breaks the > software emulation mode for (surplus) large pages on s390. This patch > adds the missing call to arch_prepare_hugepage(). It will have no effect > on other architectures where arch_prepare_hugepage() is a nop. > > Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> > Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Seems fine.
Acked-by: Adam Litke <agl@us.ibm.com>
-- Adam Litke - (agl at us.ibm.com) IBM Linux Technology Center
| |