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usr/fileio/fileio: Fix align_alloc()

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User space code must not use PAGE_SIZE but must use sysconf(_SC_PAGESIZE)
instead to obtain the page size.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8997 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2020-06-01 02:09:31 +00:00
parent e05b550817
commit 6c785d14b9
1 changed files with 7 additions and 1 deletions
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usr/fileio/fileio.c
+7 -1
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@@ -28,6 +28,7 @@
#include <stdbool.h>
#include <inttypes.h>
#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/user.h>
#include <poll.h>
@@ -199,8 +200,13 @@ out:
static void *align_alloc(size_t size)
{
static uint32_t page_size;
if (page_size == 0)
page_size = sysconf(_SC_PAGESIZE);
TRACE_MEM("Request to alloc %zdKB", size / 1024);
return memalign(PAGE_SIZE, size);
return memalign(page_size, size);
}
static void sigalrm_handler(int signo)