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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /arch/powerpc/mm/mem.c
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'arch/powerpc/mm/mem.c')
-rw-r--r--arch/powerpc/mm/mem.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 2fd57fa48..5f844337d 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -116,6 +116,16 @@ int memory_add_physaddr_to_nid(u64 start)
}
#endif
+int __weak create_section_mapping(unsigned long start, unsigned long end)
+{
+ return -ENODEV;
+}
+
+int __weak remove_section_mapping(unsigned long start, unsigned long end)
+{
+ return -ENODEV;
+}
+
int arch_add_memory(int nid, u64 start, u64 size, bool for_device)
{
struct pglist_data *pgdata;
@@ -239,8 +249,14 @@ static int __init mark_nonram_nosave(void)
static bool zone_limits_final;
+/*
+ * The memory zones past TOP_ZONE are managed by generic mm code.
+ * These should be set to zero since that's what every other
+ * architecture does.
+ */
static unsigned long max_zone_pfns[MAX_NR_ZONES] = {
- [0 ... MAX_NR_ZONES - 1] = ~0UL
+ [0 ... TOP_ZONE ] = ~0UL,
+ [TOP_ZONE + 1 ... MAX_NR_ZONES - 1] = 0
};
/*