Skip to contentSkip to conversation

check page allocations in ia32 support code

PATCH New Greg Edwards 1 participant 1 message Aug 11, 2004

lore
Share & tools
lore
#0 lore raw

PATCH 1/1 check page allocations in ia32 support code

It's pretty unlikely these page allocations would fail, but we should still check them.

Greg

 ia32_support.c |    6 ++++++
 1 files changed, 6 insertions(+)

Index: work-26x-bk/arch/ia64/ia32/ia32_support.c
=================================--- work-26x-bk.orig/arch/ia64/ia32/ia32_support.c 2004-07-29 14:38:04.000000000 -0500
+++ work-26x-bk/arch/ia64/ia32/ia32_support.c 2004-08-11 15:17:55.000000000 -0500
@@ -145,6 +145,9 @@ ia32_gdt_init (void)
int cpu = smp_processor_id();

ia32_shared_page[cpu] = alloc_page(GFP_KERNEL);
+ if (!ia32_shared_page[cpu])
+ panic("failed to allocate ia32_shared_page[%d]\n", cpu);
+
cpu_gdt_table[cpu] = page_address(ia32_shared_page[cpu]);

/* Copy from the boot cpu's GDT */
@@ -161,6 +164,9 @@ ia32_boot_gdt_init (void)
unsigned long ldt_size;

ia32_shared_page[0] = alloc_page(GFP_KERNEL);
+ if (!ia32_shared_page[0])
+ panic("failed to allocate ia32_shared_page[0]\n");
+
ia32_boot_gdt = page_address(ia32_shared_page[0]); cpu_gdt_table[0] = ia32_boot_gdt;