diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index b8ef46270e246d1d77a39777bb27292fc30a1d66..8a7660c8394a5a2ae2362e6d3d4ec032d5def37e 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #include @@ -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 72dd14d0685ce0539f98dd75ff0b65e6091ec0e4..845b4fd944632afc1200c9640df4c9d5ed0c4f94 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);