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authorPingfan Liu <kernelfans@gmail.com>2020-04-02 07:09:27 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 19:35:30 +0300
commite03d1f78341e8a16f6cb5be5dfcd37ddc31a6839 (patch)
tree48b85c98012eff851c321c1b251ee2dcf3cd310f /include/linux/mmzone.h
parent4627d76dcf0482c56e925a3477948df136255f0c (diff)
downloadlinux-e03d1f78341e8a16f6cb5be5dfcd37ddc31a6839.tar.xz
mm/sparse: rename pfn_present() to pfn_in_present_section()
After introducing mem sub section concept, pfn_present() loses its literal meaning, and will not be necessary a truth on partial populated mem section. Since all of the callers use it to judge an absent section, it is better to rename pfn_present() as pfn_in_present_section(). Signed-off-by: Pingfan Liu <kernelfans@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: David Hildenbrand <david@redhat.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc] Cc: Dan Williams <dan.j.williams@intel.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Leonardo Bras <leonardo@linux.ibm.com> Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com> Cc: Nathan Lynch <nathanl@linux.ibm.com> Link: http://lkml.kernel.org/r/1581919110-29575-1-git-send-email-kernelfans@gmail.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mmzone.h')
-rw-r--r--include/linux/mmzone.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 4bca42eeb439..e84d448988b6 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -1374,7 +1374,7 @@ static inline int pfn_valid(unsigned long pfn)
}
#endif
-static inline int pfn_present(unsigned long pfn)
+static inline int pfn_in_present_section(unsigned long pfn)
{
if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
return 0;
@@ -1411,7 +1411,7 @@ void sparse_init(void);
#else
#define sparse_init() do {} while (0)
#define sparse_index_init(_sec, _nid) do {} while (0)
-#define pfn_present pfn_valid
+#define pfn_in_present_section pfn_valid
#define subsection_map_init(_pfn, _nr_pages) do {} while (0)
#endif /* CONFIG_SPARSEMEM */