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authorLinus Torvalds <torvalds@linux-foundation.org>2017-05-02 10:21:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-02 10:21:17 -0700
commitc58d4055c054fc6dc72f1be8bc71bd6fff209e48 (patch)
tree56527e28fc65d74d6d5e8397c502ccc87a9ec99b /mm/page_alloc.c
parentceb198bb007b84ead867e87a71ffe715c4412b15 (diff)
parent9bb0e9cb04c82d6bf0e72f3207307d621083b801 (diff)
Merge tag 'docs-4.12' of git://git.lwn.net/linux
Pull documentation update from Jonathan Corbet: "A reasonably busy cycle for documentation this time around. There is a new guide for user-space API documents, rather sparsely populated at the moment, but it's a start. Markus improved the infrastructure for converting diagrams. Mauro has converted much of the USB documentation over to RST. Plus the usual set of fixes, improvements, and tweaks. There's a bit more than the usual amount of reaching out of Documentation/ to fix comments elsewhere in the tree; I have acks for those where I could get them" * tag 'docs-4.12' of git://git.lwn.net/linux: (74 commits) docs: Fix a couple typos docs: Fix a spelling error in vfio-mediated-device.txt docs: Fix a spelling error in ioctl-number.txt MAINTAINERS: update file entry for HSI subsystem Documentation: allow installing man pages to a user defined directory Doc/PM: Sync with intel_powerclamp code behavior zr364xx.rst: usb/devices is now at /sys/kernel/debug/ usb.rst: move documentation from proc_usb_info.txt to USB ReST book convert philips.txt to ReST and add to media docs docs-rst: usb: update old usbfs-related documentation arm: Documentation: update a path name docs: process/4.Coding.rst: Fix a couple of document refs docs-rst: fix usb cross-references usb: gadget.h: be consistent at kernel doc macros usb: composite.h: fix two warnings when building docs usb: get rid of some ReST doc build errors usb.rst: get rid of some Sphinx errors usb/URB.txt: convert to ReST and update it usb/persist.txt: convert to ReST and add to driver-api book usb/hotplug.txt: convert to ReST and add to driver-api book ...
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 07efbc3a8656..bd01501efab9 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4247,7 +4247,8 @@ EXPORT_SYMBOL(free_pages_exact);
* nr_free_zone_pages() counts the number of counts pages which are beyond the
* high watermark within all zones at or below a given zone index. For each
* zone, the number of pages is calculated as:
- * managed_pages - high_pages
+ *
+ * nr_free_zone_pages = managed_pages - high_pages
*/
static unsigned long nr_free_zone_pages(int offset)
{