From: Julien Grall <julien.grall@arm.com>
Date: Wed, 16 Aug 2017 10:26:37 +0000 (+0200)
Subject: x86/numa: don't check alloc_boot_pages return
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1678
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e942b20cfa00978af1556d731076885c035d2f37;p=xen.git

x86/numa: don't check alloc_boot_pages return

alloc_boot_pages will panic if it is not possible to allocate. So the
check in the caller is pointless.

Signed-off-by: Julien Grall <julien.grall@arm.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---

diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c
index d45196fafc..ffeba6e180 100644
--- a/xen/arch/x86/numa.c
+++ b/xen/arch/x86/numa.c
@@ -101,14 +101,6 @@ static int __init allocate_cachealigned_memnodemap(void)
     unsigned long size = PFN_UP(memnodemapsize * sizeof(*memnodemap));
     unsigned long mfn = alloc_boot_pages(size, 1);
 
-    if ( !mfn )
-    {
-        printk(KERN_ERR
-               "NUMA: Unable to allocate Memory to Node hash map\n");
-        memnodemapsize = 0;
-        return -1;
-    }
-
     memnodemap = mfn_to_virt(mfn);
     mfn <<= PAGE_SHIFT;
     size <<= PAGE_SHIFT;