[PATCHv2 01/24] sys_swapon: use vzalloc instead of vmalloc/memset
From: Cesar Eduardo Barros <hidden>
Date: 2011-03-01 23:29:00
Subsystem:
memory management, memory management - swap, the rest · Maintainers:
Andrew Morton, Chris Li, Kairui Song, Linus Torvalds
Signed-off-by: Cesar Eduardo Barros <redacted> --- mm/swapfile.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 0341c57..3fe8913 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c@@ -2047,13 +2047,12 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) goto bad_swap; /* OK, set up the swap map and apply the bad block list */ - swap_map = vmalloc(maxpages); + swap_map = vzalloc(maxpages); if (!swap_map) { error = -ENOMEM; goto bad_swap; } - memset(swap_map, 0, maxpages); nr_good_pages = maxpages - 1; /* omit header page */ for (i = 0; i < swap_header->info.nr_badpages; i++) {
--
1.7.4
--
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