[PATCH] perform maintenance on Documentation/vm/hugetlbpage.txt

Updates to Documentation/vm/hugetlbpage.txt:

- there's no need to select HUGETLB_PAGE manually and it's no longer
  under the processor menu.  Update the text accordingly.

- fix typos and trim trailing whitespace.

Signed-Off-By: Muli Ben-Yehuda <mulix@mulix.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Documentation/vm/hugetlbpage.txt

@@ -13,9 +13,10 @@ This optimization is more critical now as bigger and bigger physical memories
 Users can use the huge page support in Linux kernel by either using the mmap
 system call or standard SYSv shared memory system calls (shmget, shmat).
 
-First the Linux kernel needs to be built with CONFIG_HUGETLB_PAGE (present
-under Processor types and feature)  and CONFIG_HUGETLBFS (present under file
-system option on config menu) config options.
+First the Linux kernel needs to be built with the CONFIG_HUGETLBFS
+(present under "File systems") and CONFIG_HUGETLB_PAGE (selected
+automatically when CONFIG_HUGETLBFS is selected) configuration
+options.
 
 The kernel built with hugepage support should show the number of configured
 hugepages in the system by running the "cat /proc/meminfo" command.
@@ -39,7 +40,7 @@ in the kernel.
 /proc/sys/vm/nr_hugepages indicates the current number of configured hugetlb
 pages in the kernel.  Super user can dynamically request more (or free some
 pre-configured) hugepages.
-The allocation( or deallocation) of hugetlb pages is posible only if there are
+The allocation (or deallocation) of hugetlb pages is possible only if there are
 enough physically contiguous free pages in system (freeing of hugepages is
 possible only if there are enough hugetlb pages free that can be transfered
 back to regular memory pool).