diff options
| author |   Wolfram Sang <wsa@the-dreams.de> | 2019-02-14 17:46:56 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2019-02-14 17:46:56 +0100 |
| commit | 338618ad2a01b821a34e089a6607143fb283dee3 (patch) | |
| tree | adf9aff96a5a087c820251f3eb09928b3271b007 /include/linux/memory_hotplug.h | |
| parent | i2c: rcar: refactor TCYC handling (diff) | |
| parent | Linux 5.0-rc6 (diff) | |
Merge branch 'i2c/for-current' into i2c/for-5.1
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; \ }) /* |