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authorPingfan Liu <kernelfans@gmail.com>2020-04-01 21:09:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 09:35:30 -0700
commite03d1f78341e8a16f6cb5be5dfcd37ddc31a6839 (patch)
tree48b85c98012eff851c321c1b251ee2dcf3cd310f /mm
parent4627d76dcf0482c56e925a3477948df136255f0c (diff)
downloadlinux-e03d1f78341e8a16f6cb5be5dfcd37ddc31a6839.tar.bz2
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 'mm')
-rw-r--r--mm/page_ext.c2
-rw-r--r--mm/shuffle.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/mm/page_ext.c b/mm/page_ext.c
index 4ade843ff588..08ded037f89f 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -304,7 +304,7 @@ static int __meminit online_page_ext(unsigned long start_pfn,
}
for (pfn = start; !fail && pfn < end; pfn += PAGES_PER_SECTION) {
- if (!pfn_present(pfn))
+ if (!pfn_in_present_section(pfn))
continue;
fail = init_section_page_ext(pfn, nid);
}
diff --git a/mm/shuffle.c b/mm/shuffle.c
index b3fe97fd6654..c716059cbd3c 100644
--- a/mm/shuffle.c
+++ b/mm/shuffle.c
@@ -72,7 +72,7 @@ static struct page * __meminit shuffle_valid_page(unsigned long pfn, int order)
return NULL;
/* ...is the pfn in a present section or a hole? */
- if (!pfn_present(pfn))
+ if (!pfn_in_present_section(pfn))
return NULL;
/* ...is the page free and currently on a free_area list? */