mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-26 03:09:34 +03:00
e86f88aa0b
As it says on the tin - the folio work moved a bunch out of mm.h. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Coleman Kane <ckane@colemankane.org> Signed-off-by: Rich Ercolani <rincebrain@gmail.com> Closes #12975
109 lines
3.1 KiB
Plaintext
109 lines
3.1 KiB
Plaintext
dnl #
|
|
dnl # Enabled by default it provides a minimal level of memory tracking.
|
|
dnl # A total count of bytes allocated is kept for each alloc and free.
|
|
dnl # Then at module unload time a report to the console will be printed
|
|
dnl # if memory was leaked.
|
|
dnl #
|
|
AC_DEFUN([SPL_AC_DEBUG_KMEM], [
|
|
AC_ARG_ENABLE([debug-kmem],
|
|
[AS_HELP_STRING([--enable-debug-kmem],
|
|
[Enable basic kmem accounting @<:@default=no@:>@])],
|
|
[],
|
|
[enable_debug_kmem=no])
|
|
|
|
AS_IF([test "x$enable_debug_kmem" = xyes],
|
|
[
|
|
KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM"
|
|
DEBUG_KMEM="_with_debug_kmem"
|
|
AC_DEFINE([DEBUG_KMEM], [1],
|
|
[Define to 1 to enable basic kmem accounting])
|
|
], [
|
|
DEBUG_KMEM="_without_debug_kmem"
|
|
])
|
|
|
|
AC_SUBST(DEBUG_KMEM)
|
|
AC_MSG_CHECKING([whether basic kmem accounting is enabled])
|
|
AC_MSG_RESULT([$enable_debug_kmem])
|
|
])
|
|
|
|
dnl #
|
|
dnl # Disabled by default it provides detailed memory tracking. This
|
|
dnl # feature also requires --enable-debug-kmem to be set. When enabled
|
|
dnl # not only will total bytes be tracked but also the location of every
|
|
dnl # alloc and free. When the SPL module is unloaded a list of all leaked
|
|
dnl # addresses and where they were allocated will be dumped to the console.
|
|
dnl # Enabling this feature has a significant impact on performance but it
|
|
dnl # makes finding memory leaks pretty straight forward.
|
|
dnl #
|
|
AC_DEFUN([SPL_AC_DEBUG_KMEM_TRACKING], [
|
|
AC_ARG_ENABLE([debug-kmem-tracking],
|
|
[AS_HELP_STRING([--enable-debug-kmem-tracking],
|
|
[Enable detailed kmem tracking @<:@default=no@:>@])],
|
|
[],
|
|
[enable_debug_kmem_tracking=no])
|
|
|
|
AS_IF([test "x$enable_debug_kmem_tracking" = xyes],
|
|
[
|
|
KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM_TRACKING"
|
|
DEBUG_KMEM_TRACKING="_with_debug_kmem_tracking"
|
|
AC_DEFINE([DEBUG_KMEM_TRACKING], [1],
|
|
[Define to 1 to enable detailed kmem tracking])
|
|
], [
|
|
DEBUG_KMEM_TRACKING="_without_debug_kmem_tracking"
|
|
])
|
|
|
|
AC_SUBST(DEBUG_KMEM_TRACKING)
|
|
AC_MSG_CHECKING([whether detailed kmem tracking is enabled])
|
|
AC_MSG_RESULT([$enable_debug_kmem_tracking])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 4.12 API,
|
|
dnl # Added kvmalloc allocation strategy
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_KVMALLOC], [
|
|
ZFS_LINUX_TEST_SRC([kvmalloc], [
|
|
#include <linux/mm.h>
|
|
#include <linux/slab.h>
|
|
],[
|
|
void *p __attribute__ ((unused));
|
|
|
|
p = kvmalloc(0, GFP_KERNEL);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_KVMALLOC], [
|
|
AC_MSG_CHECKING([whether kvmalloc(ptr, flags) is available])
|
|
ZFS_LINUX_TEST_RESULT([kvmalloc], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_KVMALLOC, 1, [kvmalloc exists])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
|
|
dnl #
|
|
dnl # 5.8 API,
|
|
dnl # __vmalloc PAGE_KERNEL removal
|
|
dnl #
|
|
AC_DEFUN([ZFS_AC_KERNEL_SRC_VMALLOC_PAGE_KERNEL], [
|
|
ZFS_LINUX_TEST_SRC([__vmalloc], [
|
|
#include <linux/mm.h>
|
|
#include <linux/vmalloc.h>
|
|
],[
|
|
void *p __attribute__ ((unused));
|
|
|
|
p = __vmalloc(0, GFP_KERNEL, PAGE_KERNEL);
|
|
])
|
|
])
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_VMALLOC_PAGE_KERNEL], [
|
|
AC_MSG_CHECKING([whether __vmalloc(ptr, flags, pageflags) is available])
|
|
ZFS_LINUX_TEST_RESULT([__vmalloc], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(HAVE_VMALLOC_PAGE_KERNEL, 1, [__vmalloc page flags exists])
|
|
],[
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
- |