Subject: + mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap-v2.patch added to -mm tree
To: zhangyanfei@xxxxxxxxxxxxxx,apw@xxxxxxxxxxxx,isimatu.yasuaki@xxxxxxxxxxxxxx,tangchen@xxxxxxxxxxxxxx,toshi.kani@xxxxxx,wency@xxxxxxxxxxxxxx,y-goto@xxxxxxxxxxxxxx,yinghai@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 07 Oct 2013 17:20:06 -0700
The patch titled
Subject: mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap-v2
has been added to the -mm tree. Its filename is
mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap-v2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap-v2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap-v2.patch
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------------------------------------------------------
From: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Subject: mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap-v2
v2: Fix a bug introduced in v1 patch. Thanks wanpeng!
Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Cc: Wen Congyang <wency@xxxxxxxxxxxxxx>
Cc: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Cc: Toshi Kani <toshi.kani@xxxxxx>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: Yasunori Goto <y-goto@xxxxxxxxxxxxxx>
Cc: Andy Whitcroft <apw@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/sparse.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff -puN mm/sparse.c~mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap-v2 mm/sparse.c
--- a/mm/sparse.c~mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap-v2
+++ a/mm/sparse.c
@@ -651,10 +651,11 @@ static void __kfree_section_memmap(struc
static void free_map_bootmem(struct page *memmap)
{
unsigned long maps_section_nr, removing_section_nr, i;
- unsigned long magic;
+ unsigned long magic, nr_pages;
struct page *page = virt_to_page(memmap);
- unsigned long nr_pages = get_order(sizeof(struct page) *
- PAGES_PER_SECTION);
+
+ nr_pages = PAGE_ALIGN(PAGES_PER_SECTION * sizeof(struct page))
+ >> PAGE_SHIFT;
for (i = 0; i < nr_pages; i++, page++) {
magic = (unsigned long) page->lru.next;
_
Patches currently in -mm which might be from zhangyanfei@xxxxxxxxxxxxxx are
mm-vmalloc-dont-set-area-caller-twice.patch
mm-vmalloc-fix-show-vmap_area-information-race-with-vmap_area-tear-down.patch
mm-vmalloc-revert-mm-vmallocc-check-vm_uninitialized-flag-in-s_show-instead-of-show_numa_info.patch
revert-mm-vmallocc-emit-the-failure-message-before-return.patch
mm-sparsemem-use-pages_per_section-to-remove-redundant-nr_pages-parameter.patch
mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap.patch
mm-sparsemem-fix-a-bug-in-free_map_bootmem-when-config_sparsemem_vmemmap-v2.patch
mm-page_allocc-remove-unused-marco-long_align.patch
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