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 Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ 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 -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html