[Linux-kernel-commits] [5904] trunk/fs/binfmt_flat.c: Not do anonymous mmap when oprofiling flat format application, let oprofile daemon can find out the file path.

[gyang]

Title: [5904] trunk/fs/binfmt_flat.c: Not do anonymous mmap when oprofiling flat format application, let oprofile daemon can find out the file path.

Revision

5904

Author

gyang

Date

2008-12-19 04:55:25 -0600 (Fri, 19 Dec 2008)

Log Message

Not do anonymous mmap when oprofiling flat format application, let oprofile daemon can find out the file path.

Modified Paths

trunk/fs/binfmt_flat.c

Diff

Modified: trunk/fs/binfmt_flat.c (5903 => 5904)

--- trunk/fs/binfmt_flat.c	2008-12-19 10:50:54 UTC (rev 5903)
+++ trunk/fs/binfmt_flat.c	2008-12-19 10:55:25 UTC (rev 5904)
@@ -608,7 +608,11 @@
 		len = text_len + data_len + extra + MAX_SHARED_LIBS * sizeof(unsigned long);
 		len = PAGE_ALIGN(len);
 		down_write(&current->mm->mmap_sem);
+#ifdef CONFIG_OPROFILE
+		textpos = do_mmap(bprm->file, 0, len,
+#else
 		textpos = do_mmap(0, 0, len,
+#endif
 				PROT_READ | PROT_EXEC | PROT_WRITE,
 				MAP_PRIVATE, 0);
 		up_write(&current->mm->mmap_sem);

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