[PATCH] fix find_next_system_ram comments

[Wizard <wizarddewhite@gmail.com>]

The purpose of find_next_system_ram() is to find a the lowest
memory resource which contain or overlap the [res->start, res->end),
not just contain.

In this patch, I make this comment more exact and fix one typo.

Signed-off-by: Wizard <wizarddewhite@gmail.com>
---
 kernel/resource.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/kernel/resource.c b/kernel/resource.c
index 3b3cedc..2751a8c 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -279,7 +279,8 @@ EXPORT_SYMBOL(release_resource);
 
 #if !defined(CONFIG_ARCH_HAS_WALK_MEMORY)
 /*
- * Finds the lowest memory reosurce exists within [res->start.res->end)
+ * Finds the lowest memory resource which contains or overlaps
+ * [res->start.res->end)
  * the caller must specify res->start, res->end, res->flags and "name".
  * If found, returns 0, res is overwritten, if not found, returns -1.
  */
-- 
1.6.3.3

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