[PATCH 1/2] PM / Hibernate: Improve comments in hibernate_preallocate_memory()
STALE5843d
From: Rafael J. Wysocki <hidden>
Date: 2010-09-14 22:22:29
From: Rafael J. Wysocki <redacted> Subject: PM / Hibernate: Improve comments in hibernate_preallocate_memory() One comment in hibernate_preallocate_memory() is wrong, so fix it and add one more comment to clarify the meaning of the fixed one. Signed-off-by: Rafael J. Wysocki <redacted> --- kernel/power/snapshot.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) Index: linux-2.6/kernel/power/snapshot.c ===================================================================
--- linux-2.6.orig/kernel/power/snapshot.c
+++ linux-2.6/kernel/power/snapshot.c@@ -1318,12 +1318,14 @@ int hibernate_preallocate_memory(void) /* Compute the maximum number of saveable pages to leave in memory. */ max_size = (count - (size + PAGES_FOR_IO)) / 2 - 2 * SPARE_PAGES; + /* Compute the desired number of image pages specified by image_size. */ size = DIV_ROUND_UP(image_size, PAGE_SIZE); if (size > max_size) size = max_size; /* - * If the maximum is not less than the current number of saveable pages - * in memory, allocate page frames for the image and we're done. + * If the desired number of image pages is at least as large as the + * current number of saveable pages in memory, allocate page frames for + * the image and we're done. */ if (size >= saveable) { pages = preallocate_image_highmem(save_highmem);