doesn't support page reclaim, enforcing the limit at page fault time implies
that, the application will get SIGBUS signal if it tries to fault in HugeTLB
pages beyond its limit. Therefore the application needs to know exactly how many
-HugeTLB pages it uses before hand, and the sysadmin needs to make sure that
+HugeTLB pages it uses beforehand, and the sysadmin needs to make sure that
there are enough available on the machine for all the users to avoid processes
getting SIGBUS.
hugetlb.<hugepagesize>.rsvd.usage_in_bytes
hugetlb.<hugepagesize>.rsvd.failcnt
-The HugeTLB controller allows to limit the HugeTLB reservations per control
+The HugeTLB controller allows limiting the HugeTLB reservations per control
group and enforces the controller limit at reservation time and at the fault of
HugeTLB memory for which no reservation exists. Since reservation limits are
-enforced at reservation time (on mmap or shget), reservation limits never causes
-the application to get SIGBUS signal if the memory was reserved before hand. For
+enforced at reservation time (on mmap or shget), reservation limits never cause
+the application to get SIGBUS signal if the memory was reserved beforehand. For
MAP_NORESERVE allocations, the reservation limit behaves the same as the fault
limit, enforcing memory usage at fault time and causing the application to
receive a SIGBUS if it's crossing its limit.
Reservation limits are superior to page fault limits described above, since
reservation limits are enforced at reservation time (on mmap or shget), and
-never causes the application to get SIGBUS signal if the memory was reserved
-before hand. This allows for easier fallback to alternatives such as
+never cause the application to get SIGBUS signal if the memory was reserved
+beforehand. This allows for easier fallback to alternatives such as
non-HugeTLB memory for example. In the case of page fault accounting, it's very
-hard to avoid processes getting SIGBUS since the sysadmin needs precisely know
-the HugeTLB usage of all the tasks in the system and make sure there is enough
-pages to satisfy all requests. Avoiding tasks getting SIGBUS on overcommited
+hard to avoid processes getting SIGBUS since the sysadmin needs to precisely know
+the HugeTLB usage of all the tasks in the system and make sure there are enough
+pages to satisfy all requests. Avoiding tasks getting SIGBUS on overcommitted
systems is practically impossible with page fault accounting.
Linux documentation for functions is transitioning to inline
documentation via specially-formatted comments near their
definitions in the source. These comments can be combined with ReST
-files the Documentation/ directory to make enriched documentation, which can
+files in the Documentation/ directory to make enriched documentation, which can
then be converted to PostScript, HTML, LaTex, ePUB and PDF files.
In order to convert from ReST format to a format of your choice, you'll need
Sphinx.
* version sym53c8xx-1.7.3c
- Ensure LEDC bit in GPCNTL is cleared when reading the NVRAM.
Fix sent by Stig Telfer <stig@api-networks.com>.
- - Backport from SYM-2 the work-around that allows to support
- hardwares that fail PCI parity checking.
- - Check that we received at least 8 bytes of INQUIRY response
+ - Backport from SYM-2 the work-around that allows to support
+ hardware that fails PCI parity checking.
+ - Check that we received at least 8 bytes of INQUIRY response
for byte 7, that contains device capabilities, to be valid.
- Define scsi_set_pci_device() as nil for kernel < 2.4.4.
- + A couple of minor changes.