X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=mm%2Fhighmem.c;h=2a07f97dabf11bceb05e69be4143d6cc06a7bd12;hp=57d82c6250c308e36089f81a8e902b729391335e;hb=refs%2Fheads%2Fpandora-3.2-.57-wip;hpb=0a4ebed781dbb9ecbfef2374d29da1ab3b1a63f3

diff --git a/mm/highmem.c b/mm/highmem.c
index 57d82c6250c3..2a07f97dabf1 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -94,6 +94,19 @@ static DECLARE_WAIT_QUEUE_HEAD(pkmap_map_wait);
 		do { spin_unlock(&kmap_lock); (void)(flags); } while (0)
 #endif
 
+struct page *kmap_to_page(void *vaddr)
+{
+	unsigned long addr = (unsigned long)vaddr;
+
+	if (addr >= PKMAP_ADDR(0) && addr <= PKMAP_ADDR(LAST_PKMAP)) {
+		int i = (addr - PKMAP_ADDR(0)) >> PAGE_SHIFT;
+		return pte_page(pkmap_page_table[i]);
+	}
+
+	return virt_to_page(addr);
+}
+EXPORT_SYMBOL(kmap_to_page);
+
 static void flush_all_zero_pkmaps(void)
 {
 	int i;