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-rw-r--r--mm/vmalloc.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index e4f0db2a3eae..0fdf96803c5b 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -220,12 +220,12 @@ int is_vmalloc_or_module_addr(const void *x)
220} 220}
221 221
222/* 222/*
223 * Walk a vmap address to the physical pfn it maps to. 223 * Walk a vmap address to the struct page it maps.
224 */ 224 */
225unsigned long vmalloc_to_pfn(const void *vmalloc_addr) 225struct page *vmalloc_to_page(const void *vmalloc_addr)
226{ 226{
227 unsigned long addr = (unsigned long) vmalloc_addr; 227 unsigned long addr = (unsigned long) vmalloc_addr;
228 unsigned long pfn = 0; 228 struct page *page = NULL;
229 pgd_t *pgd = pgd_offset_k(addr); 229 pgd_t *pgd = pgd_offset_k(addr);
230 230
231 /* 231 /*
@@ -244,23 +244,23 @@ unsigned long vmalloc_to_pfn(const void *vmalloc_addr)
244 ptep = pte_offset_map(pmd, addr); 244 ptep = pte_offset_map(pmd, addr);
245 pte = *ptep; 245 pte = *ptep;
246 if (pte_present(pte)) 246 if (pte_present(pte))
247 pfn = pte_pfn(pte); 247 page = pte_page(pte);
248 pte_unmap(ptep); 248 pte_unmap(ptep);
249 } 249 }
250 } 250 }
251 } 251 }
252 return pfn; 252 return page;
253} 253}
254EXPORT_SYMBOL(vmalloc_to_pfn); 254EXPORT_SYMBOL(vmalloc_to_page);
255 255
256/* 256/*
257 * Map a vmalloc()-space virtual address to the struct page. 257 * Map a vmalloc()-space virtual address to the physical page frame number.
258 */ 258 */
259struct page *vmalloc_to_page(const void *vmalloc_addr) 259unsigned long vmalloc_to_pfn(const void *vmalloc_addr)
260{ 260{
261 return pfn_to_page(vmalloc_to_pfn(vmalloc_addr)); 261 return page_to_pfn(vmalloc_to_page(vmalloc_addr));
262} 262}
263EXPORT_SYMBOL(vmalloc_to_page); 263EXPORT_SYMBOL(vmalloc_to_pfn);
264 264
265 265
266/*** Global kva allocator ***/ 266/*** Global kva allocator ***/