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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-06 15:01:52 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-06 15:01:52 +0100
commitc39b7eef7d92f5ffef1abf04227a62fa2a6a62b2 (patch)
tree00aff822e9208ab2f2ac41c6e1a0f61c6eb9b57f /arch/mips/kernel/setup.c
parentRevert "iommu: Allow iova to be used without requiring IOMMU_SUPPORT" (diff)
parentLinux 4.3-rc4 (diff)
downloadlinux-dev-c39b7eef7d92f5ffef1abf04227a62fa2a6a62b2.tar.xz
linux-dev-c39b7eef7d92f5ffef1abf04227a62fa2a6a62b2.zip
Merge 4.3-rc4 into char-misc-next
This is needed due to the duplicated iommu stuff to help with the merge and to prevent future issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/mips/kernel/setup.c')
-rw-r--r--arch/mips/kernel/setup.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 35b8316002f8..479515109e5b 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -338,7 +338,7 @@ static void __init bootmem_init(void)
if (end <= reserved_end)
continue;
#ifdef CONFIG_BLK_DEV_INITRD
- /* mapstart should be after initrd_end */
+ /* Skip zones before initrd and initrd itself */
if (initrd_end && end <= (unsigned long)PFN_UP(__pa(initrd_end)))
continue;
#endif
@@ -371,6 +371,14 @@ static void __init bootmem_init(void)
max_low_pfn = PFN_DOWN(HIGHMEM_START);
}
+#ifdef CONFIG_BLK_DEV_INITRD
+ /*
+ * mapstart should be after initrd_end
+ */
+ if (initrd_end)
+ mapstart = max(mapstart, (unsigned long)PFN_UP(__pa(initrd_end)));
+#endif
+
/*
* Initialize the boot-time allocator with low memory only.
*/