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Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/ldt.c7
-rw-r--r--arch/x86/xen/enlighten.c9
2 files changed, 4 insertions, 12 deletions
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index b8ef46270e2..8a7660c8394 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -12,7 +12,6 @@
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/vmalloc.h>
-#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -40,7 +39,7 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
if (mincount * LDT_ENTRY_SIZE > PAGE_SIZE)
newldt = vmalloc(mincount * LDT_ENTRY_SIZE);
else
- newldt = kmalloc(mincount * LDT_ENTRY_SIZE, GFP_KERNEL);
+ newldt = (void *)__get_free_page(GFP_KERNEL);
if (!newldt)
return -ENOMEM;
@@ -78,7 +77,7 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
if (oldsize * LDT_ENTRY_SIZE > PAGE_SIZE)
vfree(oldldt);
else
- kfree(oldldt);
+ put_page(virt_to_page(oldldt));
}
return 0;
}
@@ -129,7 +128,7 @@ void destroy_context(struct mm_struct *mm)
if (mm->context.size * LDT_ENTRY_SIZE > PAGE_SIZE)
vfree(mm->context.ldt);
else
- kfree(mm->context.ldt);
+ put_page(virt_to_page(mm->context.ldt));
mm->context.size = 0;
}
}
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 72dd14d0685..845b4fd9446 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -275,19 +275,12 @@ static unsigned long xen_store_tr(void)
static void xen_set_ldt(const void *addr, unsigned entries)
{
- unsigned long linear_addr = (unsigned long)addr;
struct mmuext_op *op;
struct multicall_space mcs = xen_mc_entry(sizeof(*op));
op = mcs.args;
op->cmd = MMUEXT_SET_LDT;
- if (linear_addr) {
- /* ldt my be vmalloced, use arbitrary_virt_to_machine */
- xmaddr_t maddr;
- maddr = arbitrary_virt_to_machine((unsigned long)addr);
- linear_addr = (unsigned long)maddr.maddr;
- }
- op->arg1.linear_addr = linear_addr;
+ op->arg1.linear_addr = (unsigned long)addr;
op->arg2.nr_ents = entries;
MULTI_mmuext_op(mcs.mc, op, 1, NULL, DOMID_SELF);