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authorcee1 <fykcee1@gmail.com>2011-03-18 10:03:41 +0800
committerLennart Poettering <lennart@poettering.net>2011-03-28 21:42:31 +0200
commit37f85e66e8f396b6f758e063531b95531aef628e (patch)
tree4c914f49c19d6712b76fc1be5f58929a2aa9d5bc /src/readahead-collect.c
parentf9276855a1d270b6c3f857cdaf2c4b49920c2228 (diff)
util: detect page size runtime.
Some architectures support multiple machine types with diffenent page sizes, and some machine types even support multiple page sizes themselves.
Diffstat (limited to 'src/readahead-collect.c')
-rw-r--r--src/readahead-collect.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/readahead-collect.c b/src/readahead-collect.c
index ca8227135e..693729598e 100644
--- a/src/readahead-collect.c
+++ b/src/readahead-collect.c
@@ -119,9 +119,10 @@ static int pack_file(FILE *pack, const char *fn, bool on_btrfs) {
goto finish;
}
- pages = l / PAGE_SIZE;
+ pages = l / page_size();
vec = alloca(pages);
+ memset(vec, 0, pages);
if (mincore(start, l, vec) < 0) {
log_warning("mincore(%s) failed: %m", fn);
r = -errno;