mm, trivial: Simplify flag check

From: Borislav Petkov <[email protected]>

Flip the flag test so that it is the simplest. No functional change, just a small readability improvement:

No code changed:

# arch/x86/kernel/sys_x86_64.o:

   text    data     bss     dec     hex filename
   1551      24       0    1575     627 sys_x86_64.o.before
   1551      24       0    1575     627 sys_x86_64.o.after

md5:
70708d1b1ad35cc891118a69dc1a63f9 sys_x86_64.o.before.asm 70708d1b1ad35cc891118a69dc1a63f9 sys_x86_64.o.after.asm

---
 include/linux/mm.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

index 47a93928b90f..43e876e9e28b 100644
@@ -1973,10 +1973,10 @@ extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info);
 static inline unsigned long
 vm_unmapped_area(struct vm_unmapped_area_info *info)
 {
-	if (!(info->flags & VM_UNMAPPED_AREA_TOPDOWN))
-		return unmapped_area(info);
-	else
+	if (info->flags & VM_UNMAPPED_AREA_TOPDOWN)
 		return unmapped_area_topdown(info);
+	else
+		return unmapped_area(info);
 }
 
 /* truncate.c */

2.3.3

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