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Diffstat (limited to 'arch/x86/mm/pgtable.c')
-rw-r--r--arch/x86/mm/pgtable.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 500242d3c96..0113d19c8aa 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -121,14 +121,12 @@ static void pgd_ctor(struct mm_struct *mm, pgd_t *pgd)
121 121
122static void pgd_dtor(pgd_t *pgd) 122static void pgd_dtor(pgd_t *pgd)
123{ 123{
124 unsigned long flags; /* can be called from interrupt context */
125
126 if (SHARED_KERNEL_PMD) 124 if (SHARED_KERNEL_PMD)
127 return; 125 return;
128 126
129 spin_lock_irqsave(&pgd_lock, flags); 127 spin_lock(&pgd_lock);
130 pgd_list_del(pgd); 128 pgd_list_del(pgd);
131 spin_unlock_irqrestore(&pgd_lock, flags); 129 spin_unlock(&pgd_lock);
132} 130}
133 131
134/* 132/*
@@ -260,7 +258,6 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
260{ 258{
261 pgd_t *pgd; 259 pgd_t *pgd;
262 pmd_t *pmds[PREALLOCATED_PMDS]; 260 pmd_t *pmds[PREALLOCATED_PMDS];
263 unsigned long flags;
264 261
265 pgd = (pgd_t *)__get_free_page(PGALLOC_GFP); 262 pgd = (pgd_t *)__get_free_page(PGALLOC_GFP);
266 263
@@ -280,12 +277,12 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
280 * respect to anything walking the pgd_list, so that they 277 * respect to anything walking the pgd_list, so that they
281 * never see a partially populated pgd. 278 * never see a partially populated pgd.
282 */ 279 */
283 spin_lock_irqsave(&pgd_lock, flags); 280 spin_lock(&pgd_lock);
284 281
285 pgd_ctor(mm, pgd); 282 pgd_ctor(mm, pgd);
286 pgd_prepopulate_pmd(mm, pgd, pmds); 283 pgd_prepopulate_pmd(mm, pgd, pmds);
287 284
288 spin_unlock_irqrestore(&pgd_lock, flags); 285 spin_unlock(&pgd_lock);
289 286
290 return pgd; 287 return pgd;
291 288