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| author | Liu Shixin <liushixin2@huawei.com> | 2023-07-04 18:19:42 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-07-08 09:29:31 -0700 |
| commit | 028725e73375a1ff080bbdf9fb503306d0116f28 (patch) | |
| tree | 88c4520e9142518e1b8e8653934a57298dfc5397 /include/linux | |
| parent | 0d707cdefb3b7f52d23967e1473d24d591329e13 (diff) | |
| download | linux-stable-028725e73375a1ff080bbdf9fb503306d0116f28.tar.gz linux-stable-028725e73375a1ff080bbdf9fb503306d0116f28.tar.bz2 linux-stable-028725e73375a1ff080bbdf9fb503306d0116f28.zip | |
bootmem: remove the vmemmap pages from kmemleak in free_bootmem_page
commit dd0ff4d12dd2 ("bootmem: remove the vmemmap pages from kmemleak in
put_page_bootmem") fix an overlaps existing problem of kmemleak. But the
problem still existed when HAVE_BOOTMEM_INFO_NODE is disabled, because in
this case, free_bootmem_page() will call free_reserved_page() directly.
Fix the problem by adding kmemleak_free_part() in free_bootmem_page() when
HAVE_BOOTMEM_INFO_NODE is disabled.
Link: https://lkml.kernel.org/r/20230704101942.2819426-1-liushixin2@huawei.com
Fixes: f41f2ed43ca5 ("mm: hugetlb: free the vmemmap pages associated with each HugeTLB page")
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/bootmem_info.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/bootmem_info.h b/include/linux/bootmem_info.h index cc35d010fa94..e1a3c9c9754c 100644 --- a/include/linux/bootmem_info.h +++ b/include/linux/bootmem_info.h @@ -3,6 +3,7 @@ #define __LINUX_BOOTMEM_INFO_H #include <linux/mm.h> +#include <linux/kmemleak.h> /* * Types for free bootmem stored in page->lru.next. These have to be in @@ -59,6 +60,7 @@ static inline void get_page_bootmem(unsigned long info, struct page *page, static inline void free_bootmem_page(struct page *page) { + kmemleak_free_part(page_to_virt(page), PAGE_SIZE); free_reserved_page(page); } #endif |