include/linux/gfp.h

80  * pages being in one zone (fair zone allocation policy).
82  * %__GFP_HARDWALL enforces the cpuset memory allocation policy.
84  * %__GFP_THISNODE forces the allocation to be satisfied from the requested
87  * %__GFP_ACCOUNT causes the allocation to be accounted to kmemcg.
110  * the caller guarantees the allocation will allow more memory to be freed
149  * canonical example is THP allocation where a fallback is cheap but
184  * If the allocation does fail, and the caller is in a position to
189  * cannot handle allocation failures. The allocation could block
213  * %__GFP_NOWARN suppresses allocation failure reports.
240  * %GFP_ATOMIC users can not sleep and need the allocation to succeed. A lower
248  * %GFP_KERNEL_ACCOUNT is the same as GFP_KERNEL, except the allocation is
258  * perform any IO with a short explanation why. All allocation requests
264  * recurse into the FS layer with a short explanation why. All allocation
284  * move once in use. An example may be a hardware allocation that maps
341  * Test whether @gfp_flags indicates that the allocation is from the
344  * An allocation being allowed to block doesn't mean it owns the %current
346  * allocation context is nested inside whatever %current was doing at the
347  * time of the original allocation.  The nested allocation may be allowed
351  * %true result from this function indicates that the allocation context
385  * But GFP_MOVABLE is not only a zone specifier but also an allocation
606  * hibernation, it is used by PM to avoid I/O during memory allocation while