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| author | Jiri Kosina <jkosina@suse.cz> | 2019-03-05 15:24:43 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2019-03-05 15:24:43 +0100 |
| commit | 2c2e5bb97544198a62e4edbf6aca5dd201979564 (patch) | |
| tree | ffb927ea311d86aeee3a0ef561d6218280c038cb /include/linux/memory_hotplug.h | |
| parent | 9b6872a123862cecd19a958f08eb9848b6a4240d (diff) | |
| parent | 6311d329e12a358a9813d2e929d26fbc5a4c73c2 (diff) | |
Merge branch 'for-5.1/hid-asus' into for-linus
Asus Transbook T100CHI and T90CHI support from NOGUCHI Hiroshi
Diffstat (limited to 'include/linux/memory_hotplug.h')
| -rw-r--r-- | include/linux/memory_hotplug.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 07da5c6c5ba0..368267c1b71b 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -21,14 +21,16 @@ struct vmem_altmap; * walkers which rely on the fully initialized page->flags and others * should use this rather than pfn_valid && pfn_to_page */ -#define pfn_to_online_page(pfn) \ -({ \ - struct page *___page = NULL; \ - unsigned long ___nr = pfn_to_section_nr(pfn); \ - \ - if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr))\ - ___page = pfn_to_page(pfn); \ - ___page; \ +#define pfn_to_online_page(pfn) \ +({ \ + struct page *___page = NULL; \ + unsigned long ___pfn = pfn; \ + unsigned long ___nr = pfn_to_section_nr(___pfn); \ + \ + if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr) && \ + pfn_valid_within(___pfn)) \ + ___page = pfn_to_page(___pfn); \ + ___page; \ }) /* |
