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-rw-r--r--arch/x86/kernel/ldt.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 8a7660c8394a..0224c3637c73 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -35,7 +35,8 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
if (mincount <= pc->size)
return 0;
oldsize = pc->size;
- mincount = (mincount + 511) & (~511);
+ mincount = (mincount + (PAGE_SIZE / LDT_ENTRY_SIZE - 1)) &
+ (~(PAGE_SIZE / LDT_ENTRY_SIZE - 1));
if (mincount * LDT_ENTRY_SIZE > PAGE_SIZE)
newldt = vmalloc(mincount * LDT_ENTRY_SIZE);
else